A. C. COSSOR, 54, Farringdon Road, E.C.
A. C. COSSOR, 54, Farringdon Road, E.C.
A. C. COSSOR, 54, Farringdon Road, E.C.
A. C. COSSOR, 54, Farringdon Road, E.C.
SPINTHARISCOPES,AS DEVISED BYSIR WILLIAM CROOKES.Showing the Scintillations of Radium.PRICE 21s. each.
SPINTHARISCOPES,AS DEVISED BYSIR WILLIAM CROOKES.Showing the Scintillations of Radium.PRICE 21s. each.
SPINTHARISCOPES,
AS DEVISED BY
SIR WILLIAM CROOKES.
Showing the Scintillations of Radium.
PRICE 21s. each.
PURE RADIUM BROMIDE, when available
PITCHBLENDE and THORIUM NITRATE.
OZONE GENERATOR,Complete,With 1 in. spark coil,£2 17s. 6d.
OZONE GENERATOR,Complete,With 1 in. spark coil,£2 17s. 6d.
OZONE GENERATOR,
Complete,
With 1 in. spark coil,
£2 17s. 6d.
CROOKES’S HIGH VACUUM TUBES, showing the fluorescence of various minerals. A good selection always in stock, including several specialities.
SPECTRUM TUBES, GLASS BLOWING, “X-RAY” OUTFITS and TUBES, HIGH FREQUENCY APPARATUS and APPLICATORS, and other Scientific Instruments.
Experimental work of any kind in Glass or Metal.
Experimental work of any kind in Glass or Metal.
Experimental work of any kind in Glass or Metal.