Plate 155Larger plate.
Larger plate.
2590. Soot door.
2591. Soot doorin section, opened by pulling outwards and downwards; the hook at top prevents it falling out.
2592. Screw cap or cover.
2593. Revolving door.
2594. Sliding doorfor furnaces, &c. The weight of door may be relieved by rollers at top, as shown.
2595. Door or manholeheld up by two wedges.
Straps.Dtraps.These are divided chambers, or bent portions of pipes, designed to always contain a well of water so as to cut off any currents of air or gases that would otherwise pass along the pipes.
Street manholesand lampholes are round, rectangular, or oval covers, strongly made to carry street traffic, and fitted in strong cast-iron frames, so as to be easily removable, and yet practically air-tight. Those fitted over sewer manholes are frequently provided with charcoal filters to arrest foul gases.
2596. Ink feed,for printing machines.
2597. Ticket feeding gear.
2598. Feed worm,with air blast.
2599. Hand or power feed gear,for a drill, boring machine, &c.
2600. Feed motion for shapers, &c.,reversible.
2601. Feed motion for shapers, &c., reversible.
2602. Friction pawl feed motion,silent. See alsoSection 62.
Through porous pots.
Through porous solids,such as charcoal.
Through pumice stone,chalk, &c.
Through porous fabrics,flannel, paper, &c.
Through sponge,spongy platinum.
Through sand,gravel, calcined ores, &c.
Through wire gauges,hair gauge, &c.
Reversible filters,such as the “Thames,” &c., are made self-cleansing by reversing the flow for a short time through a waste pipe, thus washing out the deposit.
2603. Filtering cone,formed of wire cloth inside a pipe.
Plate 156Larger plate.
Larger plate.
LONDON: PRINTED BY WILLIAM CLOWES ANDsons, LIMITED.GREAT WINDMILL STREET, W., AND DUKE STREET, STAMFORD STREET, S.E.
Transcriber’s NotesInconsistent spelling and hyphenation have been retained, except as mentioned below. The use of (linear) feet as unit of area has not been corrected. Inconsistent indentations have not been standardised.Enlarged plates are available in the browser version, available at www.gutenberg.org.Page 18-20: There is no separate description for Number 82.Page 38, Number 277, cross barA: the letterAis missing from the illustration.Page 168 (plate) and Fig. 1372: the angle 60° was not clearly visible in the source document.Page 218, Number 1747, screenA: the letterAis missing from the illustration.Page 220, Number 1769, ... and other machinery: possibly a mistake for ... and other materials.Page 228-230, Number 1854: there is no description for this item; presumably it is the same as that for Number 1855 (Bevilled flat iron).Sections 107and108may be found at the end of Part II.Changes made:Some obvious minor typographical errors have been corrected silently.In several places where they were not present in the source document, blank lines have been inserted in order to distinguish notes from the previous description, or to emphasise the transition from one subject to the next.Letters referring to elements in illustrations and characters representing shapes rather than letters have been standardised tosans-serif.In several instances, ditto, do. and „ have been replaced with a repetition of the dittoed text.Page 40: Eilipile has been changed to Eolipile.Page 320: 75° has been changed to 75,
Inconsistent spelling and hyphenation have been retained, except as mentioned below. The use of (linear) feet as unit of area has not been corrected. Inconsistent indentations have not been standardised.
Enlarged plates are available in the browser version, available at www.gutenberg.org.
Page 18-20: There is no separate description for Number 82.
Page 38, Number 277, cross barA: the letterAis missing from the illustration.
Page 168 (plate) and Fig. 1372: the angle 60° was not clearly visible in the source document.
Page 218, Number 1747, screenA: the letterAis missing from the illustration.
Page 220, Number 1769, ... and other machinery: possibly a mistake for ... and other materials.
Page 228-230, Number 1854: there is no description for this item; presumably it is the same as that for Number 1855 (Bevilled flat iron).
Sections 107and108may be found at the end of Part II.
Changes made:
Some obvious minor typographical errors have been corrected silently.
In several places where they were not present in the source document, blank lines have been inserted in order to distinguish notes from the previous description, or to emphasise the transition from one subject to the next.
Letters referring to elements in illustrations and characters representing shapes rather than letters have been standardised tosans-serif.
In several instances, ditto, do. and „ have been replaced with a repetition of the dittoed text.
Page 40: Eilipile has been changed to Eolipile.
Page 320: 75° has been changed to 75,