Search Results
-
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 box from Lindsay Light and Chemical Company.
The Welsbach gas mantle is a device made of fibers impregnated with oxides of cerium…
- 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
-
2 items
Erfinder und Erfindungen
- Inventors and Inventions
- 1913
Digitized content 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…
- 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
-
47 items
Set of Postcards depicting the Welsbach Factory in Gloucester, New Jersey
- 1890 – 1930
This set of postcards depicts the scenes from the Welsbach Incandescent Gas Lighting Company factory at Gloucester, New Jersey. Originally a set of 46 postcards, this collection is missing cards number 20 and 31. The…
- 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
-
24 items
Reflex Inverted Gas Light Catalog
- 1890 – 1930
Welsbach aimed its Reflex line at the middle of the gas mantle market, priced below its Welco line but above its biggest selling models like the Number 4 mantle. Images in this catalog illustrate Welsbach's imagined…
- 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
-
2 items
Carl Auer von Welsbach Cigarette Trading Card
- 1890 – 1930
Austrian chemist Carl Auer von Welsbach (1858-1929) was a key figure in the history of rare earth elements. In 1885 he showed didymium was not an element, but an alloy of two elements that he named praseodymium and…
-
Figure 27. "Flashing" Room at Messrs Edison & Swan's Works
- 1915
Figure 27 from the 1915 volume, The Rare Earth Industry depicting the "flashing" room of the Edison and Swan Electric Light Company. The illustration depicts scientists preparing filaments for incandescent electric glow…
-
Figure 14. Impregnating Machine [Gas mantle manufacture]
- 1915
Figure 14 from the 1915 volume, The Rare Earth Industry depicting a machine (1/10 actual size) for saturating cotton and ramie webs with a solution of rare earth metals during the manufacture of gas mantles. The volume…
-
Figure 10. Collodion before Burning Off. Figure 11. Collodion after Burning Off. Figure 12. Washing Machine.
- 1915
Figures 10 through 12 from the 1915 volume The Rare Earth Industry. Figures 10 and 11 are photomicrographs showing collodion fibers used in the manufacture of incandescent gas mantles before and after burning. The…
-
Figure 19. Movable Drying Crate for 500 Mantles
- 1915
Figure 19 from the 1915 volume The Rare Earth Industry depicting a movable crate (1/52 actual size) for drying incandescent mantles, a component of incandescent gas lanterns. The volume details various industrial…
-
Figure 21. Woodall-Moon Mantle Tester
- 1915
Figure 21 from the 1915 volume The Rare Earth Industry depicting a machine used to test the durability of gas mantles, a component of incandescent gas lanterns. The volume details various industrial applications of rare…
-
Figure 16. Machine for Applying "Fixing" Solution to Inverted Mantles
- 1915
Figure 16 from the 1915 volume The Rare Earth Industry depicting a machine (1/5 actual size) for applying "fixing" solution to inverted mantles, a component of incandescent gas lanterns. The volume details various…
-
Figure 18. Collodionising Bath
- 1915
Figure 18 from the 1915 volume The Rare Earth Industry depicting a machine (1/16 actual size) for immersing mantles, a component of incandescent gas lanterns, in a collodion solution prior to transport. The volume…
-
Figure 17. Burning Off and Hardening Machine for Inverted Mantles
- 1915
Figure 17 from the 1915 volume The Rare Earth Industry depicting a machine (1/14 actual size) for burning off and hardening inverted mantles, a component of incandescent gas lanterns. The volume details various…
-
Figure 20. Machine for Trimming Upright Mantles
- 1915
Figure 20 from the 1915 volume The Rare Earth Industry depicting a machine for trimming upright mantles, a component of incandescent gas lanterns. The volume details various industrial applications of rare earths and…
-
Figure 23. Automatic Lighter for Inverted Burners
- 1915
Figure 23 from the 1915 volume The Rare Earth Industry depicting an automatic lighter for inverted burners. The volume details various industrial applications of rare earths and closely-related elements, including…
-
Figure 42. Stages in the Manufacture of a Metallic Filament Lamp
- 1915
Figure 42 from the 1915 volume The Rare Earth Industry depicting stages in the manufacture of a metallic filament lamp. The volume details various industrial applications of rare earths and closely-related elements,…
- Author Johnstone, Sydney J. (Sydney James), Russell, Alexander S. (Alexander Smith), b. 1888
- Publisher D. Appleton and Company
- Subject Rare earths, Rare earth industry, Incandescent lamps, Scientific illustration, Scientific apparatus and instruments, Incandescent lamps, Lighting, Light bulbs, Incandescent lamps--Filaments
-
Figure 24. Stages in the Manufacture of a Carbon Lamp. Figure 25. Connections between Filament and Leading-in Wires
- 1915
Figures 24 and 25 from the 1915 volume The Rare Earth Industry depicting the manufacture of a carbon lamp. The volume details various industrial applications of rare earths and closely-related elements, including…
- Author Johnstone, Sydney J. (Sydney James), Russell, Alexander S. (Alexander Smith), b. 1888
- Publisher D. Appleton and Company
- Subject Rare earths, Rare earth industry, Incandescent lamps, Scientific illustration, Scientific apparatus and instruments, Lighting, Incandescent lamps--Filaments, Light bulbs
-
135 items
The Rare Earth Industry: Including the Manufacture of Incandescent Mantles, Pyrophoric Alloys, and Electrical Glow Lamps
- 1915
Volume detailing various industrial applications of rare earths and closely-related elements, including thorium, zirconium, tantalum, and tungsten. Particular attention is given to the illuminating effect of the oxides…
