Gagates.Seejet.Galen,2,9,32,35,39,46,49,61,62,63.Gallus, Marbodæus,2,7.garlick, its reputed antagonism to magnetism,2,32,64.Gartias ab Horto,32.Gaudentius Merula,7.Gauricus, Lucas,7.Geber (Jābir ibn Háiyán,Al-Tarsusī)21.Gemma, Cornelius,63.gems, electrick properties of,48,51.geniter,47.Georgius Agricola.SeeAgricola.Gilbert, Adrian,11.Gilgil Mauritanus,19.Gioia, or Goia, of Amalfi,4.Giulio Cæsare,141.glass, an electrick by friction,48,54,59.use of loadstone in making,111.goat's blood,7.Gonzalus Oviedus,4.Goropius, Henricus Becanus,4.Grotius, Hugo,167,168.Haematite,22,51.Hali Abbas (’Ali ibn Al ’Abbás,Al Masúfí),2,6.Hannibal Rosetius Calaber,3.Hariot, Thomas,7.Heat, effect of on loadstone,66,67,93,123,124.Helmshuda,167.Heraclea, the city of,8.Heraclean stone, or stone of Hercules,8,43,61,169.Heraclides,214.Heraclitus,208.Hermes,209.Hermolaus Barbarus,3.Hero of Alexandria,58.Hipparchus,213,214,234,235,237.Hippocrates,8,35,51,61.horizon, the magnetick, defined,80.Horto, Gartias ab,32.Horus, the bone of, orOs Ori,9.hot iron not magnetick,66.Hues, Robert,7.Hugo Grotius,167,168.Inclination.Seedip.interposition of bodies,53,66,83,85,89,137.iris gem, the,48.iron, its nature and occurrence,19,20,22,25.filings of,37,69,90,91,92,104.its various names and qualities,23,33,36.its various uses,23,24,39,86,90,95.medical uses of,33,35.surpasses loadstone,69,95.verticity in,85,123,139.iron ore is magnetick,18,27,38,43.has poles,28.islands, magnetick influence of,5,153,161.Jacobus Severtius,5.jet,47,48,53,55,86.Joannes Baptista Porta.SeePorta.Joannes Baptista Montanus,2.Joannes Costæus.SeeCostæus.Joannes Franciscus Offusius,46.Joannes Goia.SeeGioia.Joannes Langius,3.Joannes Taisner, or Taisnier.SeeTaisnier.Jofrancus Offusius,46.Josephus Acosta,5.Julius Cæsar Moderatus,141.Julius Cæsar Scaliger.SeeScaliger.Kendall, Abraham,7,178.Korrah, Thebitius Ben.SeeBencora.Lactantius, Lucius,219.Lagos, Rodriguez de,177.Langius, Joannes,3.lapis magnetis,8.lapis specularis, muscovy stone, or mica,11,48,52.latitude in relation to dip,196,200.Leonardus (or Leonhardus), Camillus,3.Levinus Lemnius,3.lifting power of loadstones,86,89,97.lily of the compass,117,152,165,177.liquids, electrical attraction of,55.attraction on surface of,57.Livio Sanuto,5,153,167.loadstone armed and unarmed,86,87,88.as medicine,32.in plasters,33.rock, the,5,6,18,116,152.various names of,11.colours of,9,10,27.various sources of,8,25,32.London, magnetick variation at,154,163.longitude, magnetick finding at,166.long magnets, advantage of,82,83,99,101Lucania, fall of meteorick stones in,26.Lucas Gauricus,7.Lucretius,2,3,8,49,61.Lusitanus, Amatus,2.Lynschoten, Hugo van, *iiij.Magnes,μάγνης,μαγνῆτις,11.Magnesia,8.Magnetick axis of terrella,81,212.axis of earth,13,81,212.horizon,80.meridian,79,152.mountains or rocks,5,6,18,116,152.islands,5,153,161.motions, the five,45.Magnus, Albertus.SeeAlbertus.Magnus, Olaus,5,6.Mahometes Aractensis,234,237.Mahomet's tomb,2.Manardus, Joannes,35.Marbodæus Gallus,2,7.Marcellus Empiricus,2.Marco Polo (Paulus Venetus),4.mariners' compass.Seecompass.Mars, saffron of (Crocus Martis),34,91.Marsiglio Ficino.SeeFicinus.Martin Cortes,5,116,152.matter and form,52,65.Matthæus Silvaticus,3.Matthiolus, Petrus,2,3.Mauritanus, Gilgil,19.Mauritanus, Serapio,2,6.Maurolycus, Franciscus,5,42,153,180.medicinal use of iron,33.of loadstone,32.Medina, Pedro de,166.Menelaus,234,237.meridian, magnetick,79,152,163.Merula, Gaudentius,7.meteorick stones, falls of,26,27.mica (or muscovy stone),11,48,52.μικρόγη.Seeterrella.moisture stops electrick action,53,56.Montagnana, B.,35.Montanus, Arias,4.Montanus, Joannes Baptista,2.Moors, Serapio and the,6.mountains, magnetick,5,6,18,116,152.movement of trepidation,117.Musa Brasavolus, Antonius,2.muscovy stone,11,48,52.See alsomica.myths of the magnet,2,3,5,6,7,18,32,63,107,109,110,111,116,143,153,228motions, the various magnetical,46.Names of amber,47.names of the loadstone,11.names given to the magnetick poles,15,115,125,129.Nicander of Colophon,8,9.Nicetas,214.Nicolas Copernicus,212,214,216,231,237,238,240Nicolaus Myrepsus, or Præpositas,33.non-electrick bodies,51,55.Nonius, Petrus (Pedro Nuñez),166.Norman, Robert,5,8,153,161,162.supposes a point respective,5,153,161,162.hisNewe Attractive,8.discoverer of the dip,8.Norumbega, the city of,154.Nova Zembla,152,179.Offusius, Jofrancus,46.Olaus Magnus,5,6.opal becomes electrical,48.orbe of virtue,76,96,191,205orbes of planets,208,215.Oribasius,2.Orpheus,11,61,209.Oviedus, Gonzalus (Gonzalo Fernandez de Oviedo y Valdès),4.Pantarbes,111.Paolo (Paulus Æginæ),35.Paolo, Rev. Maestro (Fra Paolo Sarpi),6Paolo the Venetian (Marco Polo),4.Paracelsus (Bombast von Hohenheim).asserts the stars to attract iron,3.his emplastrum of loadstone,33.his method of strengthening loadstones,93.Parmenides,208.pearls are not electrick,51,55.Pedro de Medina,166.percussion excites verticity,139.Peregrinus, Peter,his book,5.on cause of magnetick direction,5,116,153.on perpetual motion engine,107.affirms a terrella to revolve daily,223.Peripateticks, the,20,41,43,45,65,218,222,225,227,228.perpetual motion machine,107.Peter Peregrinus.SeePeregrinus.Peter Plancius.SeePlancius.Petrus Apponensis.SeeAbano, Pietro di.Petrus Nonius.SeeNonius or Nuñez.Philolaus,214.Philostratus,111.Pictorio, G.,6,49.piedramant,11.Plancius, Peter, *vbis.planets, influence of,20,137,142.plasters, magnetick,32,33.Plato,3.in theIo, discusses name and properties of the magnet,1,9,11,18.in theTimæus, suggests the theory of circumpulsion,61.his Atlantis,159.on life in the universe,208.Pliny (C. Plinius Secundus).on loadstone fables,1,2,9,18.his mistake about Æthiopian loadstones,17.on the five kinds of loadstones,9.on the alleged discovery of the loadstones,8.on the alleged magnetick mountains,18.on a locality where loadstone was found,11.on the occurrence of iron in Spain,25.on the Sagda and the Catochites,111.on the silver denarius of Antony,110.on the use of loadstone by glass-makers,111.on the shadow of a gnomon of a sun-dial at Rome,213.Plotinus,218.Plutarch, Claudius.on the garlick fable,32.says something flammable exists in amber,54.his theory of circumpulsion,3,62.polarity.Seeverticity.pole, the, elevation of,200,213.poles, magnetick, of a loadstone,13,41,72,81,144.poles are not points,12,41,72,96.Polo, Marco,4.Porta, Joannes Baptista (Giambattista della Porta).his narration of marvels,6.on various tempering of iron,24.asserts loadstone a mixture of stone and iron,63.on his assertion that loadstones have hairs,66.asserts vapour to be cause of attraction,67.his error as to change of verticity,73.suspends iron upwards by a thread,92.his error as to centre of the orbe of virtue,95.his error as to the polarity which causes repulsion,102.his error as to magnetick opposing forces,103.experiment with a balance,108.his error as to iron being intoxicated,138.his error as to iron excited by a diamond,143.his error as to the pointing of a magnet,144.proportion between loadstone and iron,149.his error as to variation and longitude,166.præcession of the Æquinoxes,234,236.primum mobile, the,79,214,216,218,220,226,232,237.prostaphæresis,174,236.Prutenical Tables, the,235.Ptolemæus, Claudius.on loadstone fables,2,32.on the occurrence of loadstone and of iron,9,25.on the dissolution of the earth,91,217,218.alleged relation of regions with the planets,137.on the elevation of the pole at different latitudes,213,214.on thePrimum Mobile, and the diurnal movement of the stars,216,228,234.on the anomalies of the earth's motion,237.Puteanus, Gulielmus (Du Puys),3,63.pyrimachus (i.e., pyrites),23.Pythagoras,57,208.pyxidula,4,181.pyxis,3,115,147,165,172.
Gagates.Seejet.Galen,2,9,32,35,39,46,49,61,62,63.Gallus, Marbodæus,2,7.garlick, its reputed antagonism to magnetism,2,32,64.Gartias ab Horto,32.Gaudentius Merula,7.Gauricus, Lucas,7.Geber (Jābir ibn Háiyán,Al-Tarsusī)21.Gemma, Cornelius,63.gems, electrick properties of,48,51.geniter,47.Georgius Agricola.SeeAgricola.Gilbert, Adrian,11.Gilgil Mauritanus,19.Gioia, or Goia, of Amalfi,4.Giulio Cæsare,141.glass, an electrick by friction,48,54,59.use of loadstone in making,111.goat's blood,7.Gonzalus Oviedus,4.Goropius, Henricus Becanus,4.Grotius, Hugo,167,168.
Gagates.Seejet.
Galen,2,9,32,35,39,46,49,61,62,63.
Gallus, Marbodæus,2,7.
garlick, its reputed antagonism to magnetism,2,32,64.
Gartias ab Horto,32.
Gaudentius Merula,7.
Gauricus, Lucas,7.
Geber (Jābir ibn Háiyán,Al-Tarsusī)21.
Gemma, Cornelius,63.
gems, electrick properties of,48,51.
geniter,47.
Georgius Agricola.SeeAgricola.
Gilbert, Adrian,11.
Gilgil Mauritanus,19.
Gioia, or Goia, of Amalfi,4.
Giulio Cæsare,141.
glass, an electrick by friction,48,54,59.
use of loadstone in making,111.
goat's blood,7.
Gonzalus Oviedus,4.
Goropius, Henricus Becanus,4.
Grotius, Hugo,167,168.
Haematite,22,51.Hali Abbas (’Ali ibn Al ’Abbás,Al Masúfí),2,6.Hannibal Rosetius Calaber,3.Hariot, Thomas,7.Heat, effect of on loadstone,66,67,93,123,124.Helmshuda,167.Heraclea, the city of,8.Heraclean stone, or stone of Hercules,8,43,61,169.Heraclides,214.Heraclitus,208.Hermes,209.Hermolaus Barbarus,3.Hero of Alexandria,58.Hipparchus,213,214,234,235,237.Hippocrates,8,35,51,61.horizon, the magnetick, defined,80.Horto, Gartias ab,32.Horus, the bone of, orOs Ori,9.hot iron not magnetick,66.Hues, Robert,7.Hugo Grotius,167,168.
Haematite,22,51.
Hali Abbas (’Ali ibn Al ’Abbás,Al Masúfí),2,6.
Hannibal Rosetius Calaber,3.
Hariot, Thomas,7.
Heat, effect of on loadstone,66,67,93,123,124.
Helmshuda,167.
Heraclea, the city of,8.
Heraclean stone, or stone of Hercules,8,43,61,169.
Heraclides,214.
Heraclitus,208.
Hermes,209.
Hermolaus Barbarus,3.
Hero of Alexandria,58.
Hipparchus,213,214,234,235,237.
Hippocrates,8,35,51,61.
horizon, the magnetick, defined,80.
Horto, Gartias ab,32.
Horus, the bone of, orOs Ori,9.
hot iron not magnetick,66.
Hues, Robert,7.
Hugo Grotius,167,168.
Inclination.Seedip.interposition of bodies,53,66,83,85,89,137.iris gem, the,48.iron, its nature and occurrence,19,20,22,25.filings of,37,69,90,91,92,104.its various names and qualities,23,33,36.its various uses,23,24,39,86,90,95.medical uses of,33,35.surpasses loadstone,69,95.verticity in,85,123,139.iron ore is magnetick,18,27,38,43.has poles,28.islands, magnetick influence of,5,153,161.
Inclination.Seedip.
interposition of bodies,53,66,83,85,89,137.
iris gem, the,48.
iron, its nature and occurrence,19,20,22,25.
filings of,37,69,90,91,92,104.
its various names and qualities,23,33,36.
its various uses,23,24,39,86,90,95.
medical uses of,33,35.
surpasses loadstone,69,95.
verticity in,85,123,139.
iron ore is magnetick,18,27,38,43.
has poles,28.
islands, magnetick influence of,5,153,161.
Jacobus Severtius,5.jet,47,48,53,55,86.Joannes Baptista Porta.SeePorta.Joannes Baptista Montanus,2.Joannes Costæus.SeeCostæus.Joannes Franciscus Offusius,46.Joannes Goia.SeeGioia.Joannes Langius,3.Joannes Taisner, or Taisnier.SeeTaisnier.Jofrancus Offusius,46.Josephus Acosta,5.Julius Cæsar Moderatus,141.Julius Cæsar Scaliger.SeeScaliger.
Jacobus Severtius,5.
jet,47,48,53,55,86.
Joannes Baptista Porta.SeePorta.
Joannes Baptista Montanus,2.
Joannes Costæus.SeeCostæus.
Joannes Franciscus Offusius,46.
Joannes Goia.SeeGioia.
Joannes Langius,3.
Joannes Taisner, or Taisnier.SeeTaisnier.
Jofrancus Offusius,46.
Josephus Acosta,5.
Julius Cæsar Moderatus,141.
Julius Cæsar Scaliger.SeeScaliger.
Kendall, Abraham,7,178.Korrah, Thebitius Ben.SeeBencora.
Kendall, Abraham,7,178.
Korrah, Thebitius Ben.SeeBencora.
Lactantius, Lucius,219.Lagos, Rodriguez de,177.Langius, Joannes,3.lapis magnetis,8.lapis specularis, muscovy stone, or mica,11,48,52.latitude in relation to dip,196,200.Leonardus (or Leonhardus), Camillus,3.Levinus Lemnius,3.lifting power of loadstones,86,89,97.lily of the compass,117,152,165,177.liquids, electrical attraction of,55.attraction on surface of,57.Livio Sanuto,5,153,167.loadstone armed and unarmed,86,87,88.as medicine,32.in plasters,33.rock, the,5,6,18,116,152.various names of,11.colours of,9,10,27.various sources of,8,25,32.London, magnetick variation at,154,163.longitude, magnetick finding at,166.long magnets, advantage of,82,83,99,101Lucania, fall of meteorick stones in,26.Lucas Gauricus,7.Lucretius,2,3,8,49,61.Lusitanus, Amatus,2.Lynschoten, Hugo van, *iiij.
Lactantius, Lucius,219.
Lagos, Rodriguez de,177.
Langius, Joannes,3.
lapis magnetis,8.
lapis specularis, muscovy stone, or mica,11,48,52.
latitude in relation to dip,196,200.
Leonardus (or Leonhardus), Camillus,3.
Levinus Lemnius,3.
lifting power of loadstones,86,89,97.
lily of the compass,117,152,165,177.
liquids, electrical attraction of,55.
attraction on surface of,57.
Livio Sanuto,5,153,167.
loadstone armed and unarmed,86,87,88.
as medicine,32.
in plasters,33.
rock, the,5,6,18,116,152.
various names of,11.
colours of,9,10,27.
various sources of,8,25,32.
London, magnetick variation at,154,163.
longitude, magnetick finding at,166.
long magnets, advantage of,82,83,99,101
Lucania, fall of meteorick stones in,26.
Lucas Gauricus,7.
Lucretius,2,3,8,49,61.
Lusitanus, Amatus,2.
Lynschoten, Hugo van, *iiij.
Magnes,μάγνης,μαγνῆτις,11.Magnesia,8.Magnetick axis of terrella,81,212.axis of earth,13,81,212.horizon,80.meridian,79,152.mountains or rocks,5,6,18,116,152.islands,5,153,161.motions, the five,45.Magnus, Albertus.SeeAlbertus.Magnus, Olaus,5,6.Mahometes Aractensis,234,237.Mahomet's tomb,2.Manardus, Joannes,35.Marbodæus Gallus,2,7.Marcellus Empiricus,2.Marco Polo (Paulus Venetus),4.mariners' compass.Seecompass.Mars, saffron of (Crocus Martis),34,91.Marsiglio Ficino.SeeFicinus.Martin Cortes,5,116,152.matter and form,52,65.Matthæus Silvaticus,3.Matthiolus, Petrus,2,3.Mauritanus, Gilgil,19.Mauritanus, Serapio,2,6.Maurolycus, Franciscus,5,42,153,180.medicinal use of iron,33.of loadstone,32.Medina, Pedro de,166.Menelaus,234,237.meridian, magnetick,79,152,163.Merula, Gaudentius,7.meteorick stones, falls of,26,27.mica (or muscovy stone),11,48,52.μικρόγη.Seeterrella.moisture stops electrick action,53,56.Montagnana, B.,35.Montanus, Arias,4.Montanus, Joannes Baptista,2.Moors, Serapio and the,6.mountains, magnetick,5,6,18,116,152.movement of trepidation,117.Musa Brasavolus, Antonius,2.muscovy stone,11,48,52.See alsomica.myths of the magnet,2,3,5,6,7,18,32,63,107,109,110,111,116,143,153,228motions, the various magnetical,46.
Magnes,μάγνης,μαγνῆτις,11.
Magnesia,8.
Magnetick axis of terrella,81,212.
axis of earth,13,81,212.
horizon,80.
meridian,79,152.
mountains or rocks,5,6,18,116,152.
islands,5,153,161.
motions, the five,45.
Magnus, Albertus.SeeAlbertus.
Magnus, Olaus,5,6.
Mahometes Aractensis,234,237.
Mahomet's tomb,2.
Manardus, Joannes,35.
Marbodæus Gallus,2,7.
Marcellus Empiricus,2.
Marco Polo (Paulus Venetus),4.
mariners' compass.Seecompass.
Mars, saffron of (Crocus Martis),34,91.
Marsiglio Ficino.SeeFicinus.
Martin Cortes,5,116,152.
matter and form,52,65.
Matthæus Silvaticus,3.
Matthiolus, Petrus,2,3.
Mauritanus, Gilgil,19.
Mauritanus, Serapio,2,6.
Maurolycus, Franciscus,5,42,153,180.
medicinal use of iron,33.
of loadstone,32.
Medina, Pedro de,166.
Menelaus,234,237.
meridian, magnetick,79,152,163.
Merula, Gaudentius,7.
meteorick stones, falls of,26,27.
mica (or muscovy stone),11,48,52.
μικρόγη.Seeterrella.
moisture stops electrick action,53,56.
Montagnana, B.,35.
Montanus, Arias,4.
Montanus, Joannes Baptista,2.
Moors, Serapio and the,6.
mountains, magnetick,5,6,18,116,152.
movement of trepidation,117.
Musa Brasavolus, Antonius,2.
muscovy stone,11,48,52.See alsomica.
myths of the magnet,2,3,5,6,7,18,32,63,107,109,110,111,116,143,153,228
motions, the various magnetical,46.
Names of amber,47.names of the loadstone,11.names given to the magnetick poles,15,115,125,129.Nicander of Colophon,8,9.Nicetas,214.Nicolas Copernicus,212,214,216,231,237,238,240Nicolaus Myrepsus, or Præpositas,33.non-electrick bodies,51,55.Nonius, Petrus (Pedro Nuñez),166.Norman, Robert,5,8,153,161,162.supposes a point respective,5,153,161,162.hisNewe Attractive,8.discoverer of the dip,8.Norumbega, the city of,154.Nova Zembla,152,179.
Names of amber,47.
names of the loadstone,11.
names given to the magnetick poles,15,115,125,129.
Nicander of Colophon,8,9.
Nicetas,214.
Nicolas Copernicus,212,214,216,231,237,238,240
Nicolaus Myrepsus, or Præpositas,33.
non-electrick bodies,51,55.
Nonius, Petrus (Pedro Nuñez),166.
Norman, Robert,5,8,153,161,162.
supposes a point respective,5,153,161,162.
hisNewe Attractive,8.
discoverer of the dip,8.
Norumbega, the city of,154.
Nova Zembla,152,179.
Offusius, Jofrancus,46.Olaus Magnus,5,6.opal becomes electrical,48.orbe of virtue,76,96,191,205orbes of planets,208,215.Oribasius,2.Orpheus,11,61,209.Oviedus, Gonzalus (Gonzalo Fernandez de Oviedo y Valdès),4.
Offusius, Jofrancus,46.
Olaus Magnus,5,6.
opal becomes electrical,48.
orbe of virtue,76,96,191,205
orbes of planets,208,215.
Oribasius,2.
Orpheus,11,61,209.
Oviedus, Gonzalus (Gonzalo Fernandez de Oviedo y Valdès),4.
Pantarbes,111.Paolo (Paulus Æginæ),35.Paolo, Rev. Maestro (Fra Paolo Sarpi),6Paolo the Venetian (Marco Polo),4.Paracelsus (Bombast von Hohenheim).asserts the stars to attract iron,3.his emplastrum of loadstone,33.his method of strengthening loadstones,93.Parmenides,208.pearls are not electrick,51,55.Pedro de Medina,166.percussion excites verticity,139.Peregrinus, Peter,his book,5.on cause of magnetick direction,5,116,153.on perpetual motion engine,107.affirms a terrella to revolve daily,223.Peripateticks, the,20,41,43,45,65,218,222,225,227,228.perpetual motion machine,107.Peter Peregrinus.SeePeregrinus.Peter Plancius.SeePlancius.Petrus Apponensis.SeeAbano, Pietro di.Petrus Nonius.SeeNonius or Nuñez.Philolaus,214.Philostratus,111.Pictorio, G.,6,49.piedramant,11.Plancius, Peter, *vbis.planets, influence of,20,137,142.plasters, magnetick,32,33.Plato,3.in theIo, discusses name and properties of the magnet,1,9,11,18.in theTimæus, suggests the theory of circumpulsion,61.his Atlantis,159.on life in the universe,208.Pliny (C. Plinius Secundus).on loadstone fables,1,2,9,18.his mistake about Æthiopian loadstones,17.on the five kinds of loadstones,9.on the alleged discovery of the loadstones,8.on the alleged magnetick mountains,18.on a locality where loadstone was found,11.on the occurrence of iron in Spain,25.on the Sagda and the Catochites,111.on the silver denarius of Antony,110.on the use of loadstone by glass-makers,111.on the shadow of a gnomon of a sun-dial at Rome,213.Plotinus,218.Plutarch, Claudius.on the garlick fable,32.says something flammable exists in amber,54.his theory of circumpulsion,3,62.polarity.Seeverticity.pole, the, elevation of,200,213.poles, magnetick, of a loadstone,13,41,72,81,144.poles are not points,12,41,72,96.Polo, Marco,4.Porta, Joannes Baptista (Giambattista della Porta).his narration of marvels,6.on various tempering of iron,24.asserts loadstone a mixture of stone and iron,63.on his assertion that loadstones have hairs,66.asserts vapour to be cause of attraction,67.his error as to change of verticity,73.suspends iron upwards by a thread,92.his error as to centre of the orbe of virtue,95.his error as to the polarity which causes repulsion,102.his error as to magnetick opposing forces,103.experiment with a balance,108.his error as to iron being intoxicated,138.his error as to iron excited by a diamond,143.his error as to the pointing of a magnet,144.proportion between loadstone and iron,149.his error as to variation and longitude,166.præcession of the Æquinoxes,234,236.primum mobile, the,79,214,216,218,220,226,232,237.prostaphæresis,174,236.Prutenical Tables, the,235.Ptolemæus, Claudius.on loadstone fables,2,32.on the occurrence of loadstone and of iron,9,25.on the dissolution of the earth,91,217,218.alleged relation of regions with the planets,137.on the elevation of the pole at different latitudes,213,214.on thePrimum Mobile, and the diurnal movement of the stars,216,228,234.on the anomalies of the earth's motion,237.Puteanus, Gulielmus (Du Puys),3,63.pyrimachus (i.e., pyrites),23.Pythagoras,57,208.pyxidula,4,181.pyxis,3,115,147,165,172.
Pantarbes,111.
Paolo (Paulus Æginæ),35.
Paolo, Rev. Maestro (Fra Paolo Sarpi),6
Paolo the Venetian (Marco Polo),4.
Paracelsus (Bombast von Hohenheim).
asserts the stars to attract iron,3.
his emplastrum of loadstone,33.
his method of strengthening loadstones,93.
Parmenides,208.
pearls are not electrick,51,55.
Pedro de Medina,166.
percussion excites verticity,139.
Peregrinus, Peter,
his book,5.
on cause of magnetick direction,5,116,153.
on perpetual motion engine,107.
affirms a terrella to revolve daily,223.
Peripateticks, the,20,41,43,45,65,218,222,225,227,228.
perpetual motion machine,107.
Peter Peregrinus.SeePeregrinus.
Peter Plancius.SeePlancius.
Petrus Apponensis.SeeAbano, Pietro di.
Petrus Nonius.SeeNonius or Nuñez.
Philolaus,214.
Philostratus,111.
Pictorio, G.,6,49.
piedramant,11.
Plancius, Peter, *vbis.
planets, influence of,20,137,142.
plasters, magnetick,32,33.
Plato,3.
in theIo, discusses name and properties of the magnet,1,9,11,18.
in theTimæus, suggests the theory of circumpulsion,61.
his Atlantis,159.
on life in the universe,208.
Pliny (C. Plinius Secundus).
on loadstone fables,1,2,9,18.
his mistake about Æthiopian loadstones,17.
on the five kinds of loadstones,9.
on the alleged discovery of the loadstones,8.
on the alleged magnetick mountains,18.
on a locality where loadstone was found,11.
on the occurrence of iron in Spain,25.
on the Sagda and the Catochites,111.
on the silver denarius of Antony,110.
on the use of loadstone by glass-makers,111.
on the shadow of a gnomon of a sun-dial at Rome,213.
Plotinus,218.
Plutarch, Claudius.
on the garlick fable,32.
says something flammable exists in amber,54.
his theory of circumpulsion,3,62.
polarity.Seeverticity.
pole, the, elevation of,200,213.
poles, magnetick, of a loadstone,13,41,72,81,144.
poles are not points,12,41,72,96.
Polo, Marco,4.
Porta, Joannes Baptista (Giambattista della Porta).
his narration of marvels,6.
on various tempering of iron,24.
asserts loadstone a mixture of stone and iron,63.
on his assertion that loadstones have hairs,66.
asserts vapour to be cause of attraction,67.
his error as to change of verticity,73.
suspends iron upwards by a thread,92.
his error as to centre of the orbe of virtue,95.
his error as to the polarity which causes repulsion,102.
his error as to magnetick opposing forces,103.
experiment with a balance,108.
his error as to iron being intoxicated,138.
his error as to iron excited by a diamond,143.
his error as to the pointing of a magnet,144.
proportion between loadstone and iron,149.
his error as to variation and longitude,166.
præcession of the Æquinoxes,234,236.
primum mobile, the,79,214,216,218,220,226,232,237.
prostaphæresis,174,236.
Prutenical Tables, the,235.
Ptolemæus, Claudius.
on loadstone fables,2,32.
on the occurrence of loadstone and of iron,9,25.
on the dissolution of the earth,91,217,218.
alleged relation of regions with the planets,137.
on the elevation of the pole at different latitudes,213,214.
on thePrimum Mobile, and the diurnal movement of the stars,216,228,234.
on the anomalies of the earth's motion,237.
Puteanus, Gulielmus (Du Puys),3,63.
pyrimachus (i.e., pyrites),23.
Pythagoras,57,208.
pyxidula,4,181.
pyxis,3,115,147,165,172.