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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…
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Casting Plate-glass
- 1870 – 1900
Illustration depicting the manufacture of plate glass, a form of glass traditionally made by casting and rolling and characterized by its excellent surface produced by grinding and polishing.
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55 items
Welsbach Gas Light Company photograph album
- 1920s
Album containing 52 black and white 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…
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Seltzer-water Manufactory
- 1870 – 1900
Illustration depicting the manufacture of seltzer or soda water by use of a wheel to force gas into bottled water.
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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…
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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…
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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…
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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…
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Research laboratory for resinous products
- 1930s
General view of a research laboratory for resinous products at the Rohm and Haas Company home office located at West Washington Square in Philadelphia.
The Rohm and Haas Company was founded in 1907 in Esslingen,…
- Creator Of Work Rohm and Haas Company
- Subject Rohm and Haas Company, Corporations, Laboratories, Scientific apparatus and instruments, Glassware
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Rohm and Haas Resin Research Laboratory
- 1930s
General view of the Resin Research Laboratory at the Rohm and Haas Company home office located at West Washington Square in Philadelphia.
The Rohm and Haas Company was founded in 1907 in Esslingen, Germany through the…
- Creator Of Work Rohm and Haas Company
- Subject Rohm and Haas Company, Corporations, Laboratories, Scientific apparatus and instruments, Glassware, Gums and resins
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Advertisement for Dowmetal Magnesium
- 1945-May-14
Print advertisement for Dowmetal, a magnesium alloy manufactured and sold by the Dow Chemical Company. The advertisement features illustrated depictions production machinery presumably made from Dowmetal. The…
- Creator Of Work Dow Chemical Company
- Subject Dow Chemical Company, Chemical industry, Corporations, Magnesium, Magnesium alloys, Magnesium industry and trade, Machinery, Machinery industry
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2 items
Type C medium-sized research microscope
- 1927 – 1928
This type C medium-sized research microscope was manufactured by Ernst Leitz of Wetzlar, Germany. Featuring a black enamel horseshoe-shaped base and arm, this microscope also includes a reflecting mirror, eye piece,…
- Manufacturer Ernst Leitz (Firm)
- Subject Microscopes, Ernst Leitz (Firm), Scientific apparatus and instruments
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2 items
Series Sixty student microscope
- 1955 – 1960
American Optical Corporation Sixty student model monocular microscope features American Optical Spencer objective lenses.
American Optical Corporation was a successor to the Spencer Lens Company, founded by Charles…
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184 items
Physical Apparatus for Universities and Colleges Manufactured and Imported by Central Scientific Co.
- 1912
A catalog of laboratory instruments for the physical sciences made by the Central Scientific Company. Founded in 1900 in downtown Chicago, Central Scientific manufactured and distributed science teaching equipment for…
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3 items
Hewlett-Packard Model 35 Calculator with case
- 1972
Developed in 1972, the HP-35 was Hewlett Packard's first pocket calculator and the first pocket calculator ever to have transcendental functions. Twenty HP engineers spent two years and approximately $1 million…
- Manufacturer Hewlett-Packard Company
- Subject Pocket calculators, Calculators, Hewlett-Packard Company
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2 items
Reproduction of Voltaic Pile
- 2018
Modern reproduction of the first electric battery invented by Alessandro Volta in 1800. Base and top are wooden. Between the base and top rests a stack or pile of 46 copper-zinc cells. Electrodes used to tranfer the…
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7 items
Oral history interview with Seymour Meyerson
- 1991-Mar-07
Seymour Meyerson was born and raised in Chicago, Illinois and attended the University of Chicago from which he received his undergraduate degree. By 1943 Meyerson began active service with the US military, spending the…
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6 items
Oral history interview with Keith R. Jennings
- 2008-Apr-24 (First session)
- 2008-Apr-25 (Second session)
Keith R. Jennings begins his oral history by discussing his youth and education in the United Kingdom, including his chemistry studies at University of Oxford, where he worked with Jack Wilfrid Linnett, and his…
- Interviewee Jennings, Keith R., 1932-
- Interviewer Grayson, Michael A.
- Subject Chromatographic analysis, Jennings, Keith R., 1932-, Mass spectrometry, Chemists--Biography, Chemical apparatus, Chemists
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Thomas-Van Slyke Manometric Blood Gas Apparatus
- Circa 1953
The Manometric Blood Gas Apparatus was a revision on the original, fairly simple volumetric glass apparatus designed by Dr. Van Slyke in around 1917. The instrument liberated and isolated "the desired gas contained in a…
- Manufacturer Arthur H. Thomas Company
- Subject Blood gases, Medicine, Clinical chemistry
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E.P. Fager conducting Dearborn Chemical Company water sample field test
- 1930s
General view of Dearborn Chemical Company employee E.P. Fager comparing the color of two solutions during a water sample field test. Assorted glassware and a Dearborn portable testing cabinet are visible on the table.…
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Machine Room in Dow Tabulating Department
- 1947-Dec-16
General view of the Machine Room in the Tabulating Department at the Dow Chemical Company facilities located in Midland, Michigan. Several employees and machines, including tabulator, sorter, and interpreter units, are…
- Creator Of Work Dow Chemical Company
- Subject Employees, Dow Chemical Company, Tabulating machines, Corporations, Machinery, International Business Machines Corporation
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Key punch operators at Dow Tabulating Department
- 1947-Dec-16
General view of key punch operators (front to back) Ilene Allen, Janet Dyer, Jesse Haven, Marion McFadden, and Margaret Preznowiak transcribing written data into tabulating cards in the Tabulating Department at the Dow…
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Machine tabulating room at Dow Chemical Company
- 1947-Dec-16
General view of unidentified employees at work in the machine tabulating room at the Dow Chemical Company facilities located in Midland, Michigan. Per an article in the December 16, 1947 edition of The Brine Well, the…
- Creator Of Work Dow Chemical Company
- Subject Employees, Dow Chemical Company, Tabulating machines, Corporations, Machinery, International Business Machines Corporation