Search Results
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3 items
Portraits of Arnold O. Beckman (1900-2004)
- 1945
Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus began a long career manufacturing scientific and medical instruments with National Technical Laboratories,…
- Photographer Curtis Studios
- Subject Scientists--Portraits, Beckman, Arnold O., Portraits, Portraits, American
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18 items
Early Beckman facilities, Pasadena and South Pasadena
- Undated
- 1934 – 1935
- 1940
- 1946
- 1949
- 1950
A Pasadena garage was the first home of the National Postal Meter Company, founded by Arnold Beckman in 1934. The company soon became National Technical Laboratories, with a focus on pH meters. In 1935, the company…
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2 items
Hot relaxing plates on drawing machine
- 1946-Mar-01
Two views of hot relaxing plates on a drawing machine used at the DuPont plant in Seaford, Delaware during the early stages of synthetic fiber production and research. The plate on the left was electric-heated and the…
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11 items
Arnold O. Beckman with employees
- Circa 1940 – circa 1979
Though the photo set is identified as Beckman with "employees," some of the photographs depict ceremonies and visits to non-corporate locations, like CalTech. Some photographs are attributed, dated (1941, 1962, 1967),…
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Alchemist in Green Using Bellows
- Circa 1928 – 1965
An alchemist wearing a green robe uses a pair of bellows to control the heat of the fire beneath his crucible. Other vessels sit on the furnace at his side, and to his left a large still-head for distillation rests over…
- After Teniers, David, 1610-1690
- Subject Teniers, David, 1610-1690, Alchemy, Alchemy in art
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3 items
Company's Views Concerning the Union
- 1946-Oct
In a series of one page messages to the employees of National Technical Laboratories, Arnold Beckman laid out a case against unionization.
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Let's Make It for Keeps
- 1947-Nov
Color print magazine advertisement for Community silverware. This ad appeared in the Ladies' Home Journal, November 1947.
- Artist Whitcomb, Jon, 1906-1988
- Subject Silver-plated ware, Silverware, Electroplating, Oneida, ltd.
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Richard C. Tolman (1881-1948)
- 1945
Photograph of mathematical physicist and physical chemist Richard C. (Chace) Tolman seated in front of a global map. This photograph is believed to have been taken when Tolman was serving as a scientific advisor to…
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U.S. Department of Agriculture personnel
- 1940s
Group photograph of U.S. Department of Agriculture personnel at an unidentified facility. The individuals in the photograph are identified as follows:
Standing (left to right): Mr. Whittaker; Louise Gardner; J. R.…
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"Bub" Duribilknit Supporter
- 1949
Advertisement by John B. Flaherty Co., Inc. in New York for the "Bub" Duribilknit supporter published in SPORT magazine. The "Bub" was a knitted athletic supporter made of surgical elastic. The supporter had a thick…
- Subject Jockstraps
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DDT is good for me-e-e!
- 1947-Jun-30
Color print magazine advertisement for Pennsalt DDT products. This ad appeared in Time Magazine, June 30, 1947.
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Protect Your Children Against Disease-Carrying Insects!
- 1947
Black and white print magazine advertisement for Trimz DDT wallpaper. This ad appeared in Women's Day, June 1947.
- Subject Wallpaper, DDT (Insecticide), Insecticides, Toxins, Women in advertising
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Farmers Report: More Meat, More Milk, More Eggs after Spraying with Pestroy
- 1949
Black and white print magazine advertisement for Pestroy insect spray. This ad appeared in The Country Gentleman, April 1949.
- Subject Pesticides, DDT (Insecticide), Insecticides, Toxins
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Just press the button... Bugs Drop Dead!
- 1940 – 1945
Color print magazine advertisement for Black Flag's Aerosol Insect Killer.
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12 items
Operating Instructions, the Beckman Model DU Photoelectric Quartz Spectrophotometer
- Bulletin 91-B
- 1946
The first Beckman Instruments DU Spectrophotometer was developed in 1940, when the company was still called National Technical Laboratories. Spurred by employee Howard Cary (who had previously been involved in pH meter…
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2 items
Letter from Linus Pauling to Irvin S. Stewart
- 1945-Jun-05
Linus Pauling's oxygen meter was developed as a military project and the details were classified. In this letter, Pauling requested permission to discuss the oxygen meter at a Caltech seminar. He also states a desire to…
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Continuous polymerizer salt holding tank
- 1947-Apr-09
General view of a continuous polymerizer salt holding tank used during the early stages of synthetic fiber production and research at DuPont.
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Two-gear melt-pool booster pump
- 1947-Apr
General view of the component parts of a two-gear melt-pool booster pump used during the early stages of synthetic fiber production and research at DuPont. Typically, such booster pumps were used to feed a bubble-free…
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Monomer still used in production of nylon
- 1947-Apr
General view of a monomer still used during the early stages of nylon production and research at DuPont. The photograph is labeled "Figure 2," indicating that it appeared in a report or publication.
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Thermoswitch and thermoregulators used in production of synthetic fibers
- 1946-Aug-09
- 1947-Mar
Assorted apparatus, including a Fenwal Thermoswitch and Thermoregulator, H-B Mercury-in-glass Thermostat, and Scaico Thermostat, used during the early stages of synthetic fiber production and research at DuPont.…
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Continuous denier meter used in production of synthetic fibers
- 1947-Mar
General view of a continuous denier meter used to measure the denier, or thickness, of filaments during the early stages of synthetic fiber production and research at DuPont. The spool of yarn to be measured is visible…
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2 items
Measuring cell used in production of synthetic fibers
- 1947-Mar
Two views of a measuring cell used during the early stages of synthetic fiber production and research at DuPont. Typically, such cells were placed in an electrolyte bath as part of a metered device used to measure the…
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Yarn windup for production of synthetic fibers
- 1947-Mar
General view of a yarn windup used during the early stages of synthetic fiber production and research at DuPont. The components of the windup are identified as follows: windup rolls (left); gear box (center); and…
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2 items
Six-position staple spinning unit
- 1947-Mar
Two views of a six-position staple spinning unit used during the early stages of synthetic fiber production and research at DuPont. Various components of the spinning unit are visible in the photograph, including a pump…
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Pump block for six-position spinner
- 1947-Mar
Close-up view of the pump block of a six-position spinner used during the early stages of synthetic fiber production and research at DuPont. During the production of nylon, melt from the spinning machine typically…