Transcriber’s Note:
The cover image was created by the transcriber and is placed in the public domain.
RADIO-ACTIVE SUBSTANCES.
BY
Mdme. SKLODOWSKA CURIE.
Thesis presented to the Faculté des Sciences de Paris.
Reprinted from the CHEMICAL NEWS.
(SECOND EDITION).
LONDON:
CHEMICAL NEWS OFFICE,
16, NEWCASTLE STREET, FARRINGDON STREET, E.C.
1904.
D. VAN NOSTRAND COMPANY,
23 Murray and 27 Warren Streets, New York.
A. C. COSSOR, 54, Farringdon Road, E.C.
SPINTHARISCOPES,
AS DEVISED BY
SIR WILLIAM CROOKES.
Showing the Scintillations of Radium.
PRICE 21s. each.
PURE RADIUM BROMIDE, whenavailable
PITCHBLENDE and THORIUMNITRATE.
OZONE GENERATOR,
Complete,
With 1 in. spark coil,
£2 17s. 6d.
CROOKES’S HIGH VACUUM TUBES, showing the fluorescence of variousminerals. A good selection always in stock, including several specialities.
SPECTRUM TUBES, GLASS BLOWING, “X-RAY” OUTFITS andTUBES, HIGH FREQUENCY APPARATUS and APPLICATORS,and other Scientific Instruments.
Experimental work of any kind in Glass or Metal.
RADIUM SALTS
and
Other Preparations and Minerals.
Radium Bromide, Radium-Barium Bromide, Radium-Barium Chloride,in Tubes of various quantities and strengths.
Phosphorescent Zinc Sulphide, 1 grm. and 5 grm. Tubes, and per oz.
Phosphorescent Zinc Sulphide, Screens.
Radium, Active Screens for Photographic effects.
Uranium Platino-cyanide Screens, from 7 × 5 to 15 × 11.
Pitchblende, Selected Radio-Active.
Willemite, Autunite, and other Fluorescent Minerals.
Salts of Uranium, Thorium, Calcium, and other X-Ray Materials.
(Subject to being unsold.<                        
...
                        
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