Search Results
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74 items
Welsbach System of Incandescent Gas Lighting Catalog
- 1889
…WELSBACH SYSTEM OF Incandescent Gas Lighting DESCRIPTION OF THE INVENTION, … …WELSBACH Incandescent Gas Light Co. Ai GRANGER, T. J. MONTGOMERY, President…
- Creator Of Work Welsbach Gas Light Company
- Publisher Edward Stern & Co.
- Subject Incandescent lamps, Auer v. Welsbach, Carl (Auer von Welsbach), 1858-1929, Gas-lighting, Incandescent gas-lighting, Rare earth industry, Rare earths, Welsbach Gas Light Company, Incandescent gas-lighting--Fixtures, Interior lighting, Factories
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2 items
Carl Auer von Welsbach Cigarette Trading Card
- 1890 – 1930
… …57. Dr. Auer v. Welsbach (1858-1929) Dr. Auer v. Welsbach Ingénieur autrichien, qui s’est rendu …Austrian chemist Carl Auer von Welsbach (1858-1929) was a key figure in the history of rare earth elements…
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6 items
No. 4 Inverted Mantle with No. 8 Magnesia Ring
- 1890 – 1930
…Unused Welsbach No. 4 Inverted Mantle and No. 8 Magnesia Ring in its original cardboard … elements. Welsbach mantels were sewn and then packed into cardboard tubes for shipping … of mantels compatible with Welsbach products until the mid-1930s. …
- Creator Of Work Welsbach Gas Light Company
- Contributor Auer v. Welsbach, Carl (Auer von Welsbach), 1858-1929
- Subject Lighting--Equipment and supplies, Incandescent lamps, Auer v. Welsbach, Carl (Auer von Welsbach), 1858-1929, Gas-lighting, Incandescent gas-lighting, Rare earth industry, Welsbach Gas Light Company, Rare earths
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24 items
Reflex Inverted Gas Light Catalog
- 1890 – 1930
…the light down where you want it. Patented and manufactured by the WELSBACH COMPANY. Welsbach Company. Salesrooms in all the principal cities … …=n a Retail De partments of the WELSBACH COMPANY where you can buy the Throws the light down where you want…
- Creator Of Work Welsbach Gas Light Company
- Subject Welsbach Gas Light Company, Incandescent gas-lighting, Incandescent gas-lighting--Fixtures, Rare earth industry, Rare earths, Advertising, Auer v. Welsbach, Carl (Auer von Welsbach), 1858-1929, Gas-lighting, Interior lighting, Interior lighting--Design
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47 items
Set of Postcards depicting the Welsbach Factory in Gloucester, New Jersey
- 1890 – 1930
…Welsbach Factory, Gloucester, N. J. Laboratory for Analysis of Thorium Minerals … Welsbach Mantle and genuine Welsbach Lights. POST CARD ……
- Contributor Welsbach Gas Light Company
- Subject Welsbach Gas Light Company, Employees, Incandescent gas-lighting, Incandescent gas-lighting--Fixtures, Lighting, Rare earth industry, Auer v. Welsbach, Carl (Auer von Welsbach), 1858-1929, Women employees, Rare earths, Machinery in the workplace, Machinery
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344 items
The Development of the Periodic Law
- 1896
…per saltum.’’ The discovery of the composite nature of didymium by Welsbach was alluded to. “Tf we only had the right methods, why could not calcium …Wachter’s Numerical Regularities.--------- pt eeece cece cerees 135 Welsbach and Didymium ELE Or. em ae 4 eee ¢¢44¢400 gaae 199 Wendt, Evolution…
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18 items
The Welsbach Light Catalog
- 1896
… …Abe Welsbach Light VS LS or The Evening Beautiful « By ce | the Welsbach Commercial … adopted the Welsbach Light in their homes, and it will doubtless be the convincing argument…
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This is Too Bad, Makes Night & Day Alike!
- 1901-Sep-14
…eo THE OWL GY i ~ “This 1s too bad Uf nt Makes night & day alike! — WELSBACH LIGHT! MANTLES, Hl KERN BURNER, =f GENUINE WELSBACH ea > MARVEL OF …This 1901 advertisement for the British branch of the Welsbach Incandescent Gas Light Company features an owl swooping through the … incandescent lamps. In the 1880s, Austrian chemist Carl Auer von Welsbach (1858-1929) created fabric impregnated with thorium and cerium, which…
- Publisher Illustrated London news
- Contributor Welsbach Gas Light Company
- Subject Welsbach Gas Light Company, Auer v. Welsbach, Carl (Auer von Welsbach), 1858-1929, Incandescent gas-lighting, Incandescent gas-lighting--Fixtures, Gas-lighting, Street lighting, Light pollution, Lighting, Rare earth industry, Rare earth metals
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206 items
Colour, An Elementary Manual for Students
- 1911
…air, the light becomes less yellow. ‘The same result is secured in Welsbach’s incandescent lamps, where a mantle of zirconia or other earthy oxides…
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184 items
Physical Apparatus for Universities and Colleges Manufactured and Imported by Central Scientific Co.
- 1912
…with 4, 6 or 9-foot tips, mounted on rod to fit No. 44 Clamp oe 3390. Welsbach Gas Burner, complete, mounted on rod to fit No. 44 Clamp. aco0…
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2 items
Erfinder und Erfindungen
- Inventors and Inventions
- 1913
…includes a frontispiece portrait of Austrian chemist Carl Auer von Welsbach (1858-1929), a key figure in the history of rare earth elements. In 1885 Welsbach showed didymium was not an element, but an alloy of two elements that …. He later separated lutetium from ytterbium. In the 1880s, von Welsbach created fabric impregnated with thorium and cerium, which glowed incandescently…
- Author Neuburger, Albert, 1867-1943
- Publisher Ullstein GmbH
- Subject Inventors, Inventions, Scientific apparatus and instruments, Auer v. Welsbach, Carl (Auer von Welsbach), 1858-1929, Neuburger, Albert, 1867-1943, Incandescent lamps, Welsbach Gas Light Company, Rare earth industry, Rare earths, Incandescent gas-lighting
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Figure 23. Automatic Lighter for Inverted Burners
- 1915
…with ammonium nitrate until ceric ammonium nitrate separates out (see Welsbach, Monatsh., 1884, 5, 508, and Schottlander, Ber., 1892, 25, 378). Fic…
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135 items
The Rare Earth Industry: Including the Manufacture of Incandescent Mantles, Pyrophoric Alloys, and Electrical Glow Lamps
- 1915
…“common” elements. The rare earth industry was founded by Auer von Welsbach some twenty-five years ago, when he discovered the illuminating effect …for the material. Natural Occurrence At the time when Welsbach invented the incandescent mantle, the only sources of thoria were …Weiss, L., and Lehmann, R., | 47, 48, 49; see also Muth- mann, W. 129 Welsbach, A.-von, 3, 15, 28, 31, 77 } | Welsbach Light Co., 12 Wermen, Pe ov…
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Exterior view of Welsbach Gas Light Company facility
- 1920s
…Photographic reproduction of an artist's rendering of the Welsbach Gas Light Company site located along the Delaware River in Gloucester City, New Jersey. From 1888 to 1940, the Welsbach Gas Light Company held exclusive manufacturing and sales rights to the Welsbach gas mantle, a device made of fibers impregnated with oxides of thorium…
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55 items
Welsbach Gas Light Company photograph album
- 1920s
…photographs documenting various aspects of the production process at the Welsbach Gas Light Company site located along the Delaware River in Gloucester City, New Jersey. From 1888 to 1940, the Welsbach Gas Light Company held exclusive manufacturing and sales rights to the Welsbach gas mantle, a device made of fibers impregnated with oxides of thorium…
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Welsbach Tip Tray
- 1920s
… head. Around the border of the tray is printed "Welsbach Assures Dependable Lighting Service" with two lamps depicted on opposite sides. A seal at the top reads "Welsbach/Our Trademark/On Every Box". Tip trays were typically small, approximately … the Welsbach gas mantle, a device made of fibers impregnated with oxides of thorium…
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177 items
Isotopes
- 1922
…. This result was confirmed in the most rigorous manner by Auer v. Welsbach,! who was able to apply to the problem his valuable experience in … proportion between the several individuals, which no sub- 1A, von Welsbach, Wien. Ber. iia, 119, 1011, 1910. 2 Marckwald, Ber. d. Chem. Ges., …thorium so that an ionium-thorium prepara- tion separated by Auer von Welsbach from 30 tons of this mineral might be regarded as containing a maximum…
- Author Aston, Francis William, 1877-1945
- Publisher Edward Arnold (Publishers)
- Subject Spectrum analysis, Isotopes, Neon, Mass spectrometry, Radioactivity
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416 items
The Science of Common Things; a Textbook of General Science
- 1922
…black lumps of coal comes the brilliant light of the “ Mazda” and ‘ Welsbach,” or the tremendous power of the steam engine. From a dirty looking …carbon given off from the blue flame? What color is the flame of a Welsbach gas lamp? Why is a yellow flame used in an open gas jet? Why does …do you wait a moment before applying the burning Lighting a Junior Welsbach = match? Why do you hold the match above the mantle? De- scribe the…
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206 items
Colour and Methods of Colour Reproductions
- 1923
…noon when the sun is high 250 T Curve No.1 Blue Sky 2 Noon Sunlight 3 Welsbach Mantle 4 “Watt” Type Electric Lamp 5 Ordinary 4, s Oe oa o Relative …Ives and Brady produced a glass for accurate colour matching with the Welsbach lamp and the tungsten gas-filled lamp, and a glass is now available …149. Wave theory of light, 1-13. Weaving, 60. Weber’s law, 89, 90. Welsbach lamp, 47. Westaway’s Scientific Method, 117. Whatman paper, 64, 66…
- Author Martin, L. C. (Louis Claude)
- Contributor Gamble, William, 1864-1933
- Publisher Blackie
- Subject Colors, Color printing, Color photography, Spectrum analysis, Light, Photometry, Diffraction, Color vision, Color blindness, Vision disorders
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Healthful Effect of Gas Light Advertisement
- 1923
…lighting owes its efficiency, economy and comfort to the gas mantle. Welsbach Mantles and Lighting Fixtures have made possible perfect home illumination …or the service it will give by its appearance. All Mantles Are Not Welsbach Don’t gamble; don’t guess. Assure yourself the best light, most light …perfect satisfaction. At Your Dealer’s or the Gas Company WELSBACH COMPANY Gloucester, N. J. Member American Gas Association Ponts ay…
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262 items
Laboratory Chemistry for Girls
- 1923
…382; Newell, Des., pp. 213-215; Newell, Prac., pp. 274-275. How is a Welsbach mantle constructed, operated and what are its advantages? Snell, p…
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52 items
Chemical Heritage, Volume 15 Number 1
- 1997 (Fall)
…is born. 12 April Georges Urbain, codiscov- erer, with K. Auer von Welsbach, of lutetium (1907) and discoverer of the law of optimal phos- phorescence…
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52 items
Chemical Heritage, Volume 22 Number 1
- 2004 (Spring)
…who announced his discov- ery two days later. 4 August Carl Auer von Welsbach, an Austrian chemist and physi- cist and inventor of the gas mantle…
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56 items
Chemical Heritage, Volume 22 Number 3
- 2004 (Fall)
…and metering the gas became matters of extreme importance. Carl von Welsbach’s invention of the incan- descent mantle revolutionized the use of …
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52 items
Chemical Heritage, Volume 24 Number 2
- 2006 (Summer)
…chemical industry. In the last period we become acquainted with Auer von Welsbach, discoverer of the rare earth elements praseodymium and neodymium and also inventor of the Welsbach mantle and of the first suc- cessful electric light bulb with a metal…
