Search Results
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Explosives Make the Skyscraper Possible
- Part of 1930 Hercules Advertisements
- 1930
Advertisement for explosives manufactured and sold by the Hercules Powder Company for use in construction, mining, and quarrying, among other applications. The advertisement depicts an Art Deco-style skyscraper…
- Creator Of Work Hercules Incorporated
- Subject Chemical industry, Hercules Incorporated, Corporations, Explosives, Skyscrapers, Explosives industry, Advertising, Industrial
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Then, Less Pain from Back Aches...Now, Longer-Lasting Traffic Paints
- Another Development in Naval Stores Made Possible Through Hercules Chemical Research
- Part of 1948 Hercules Advertisements
- 1948
Advertisement for resins and chlorinated rubber manufactured and sold by the Hercules Powder Company for use in industrial paint. The advertisement details the varied uses of naval stores past and present, highlighting…
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Government Gives "Go" to "Paint Up and Save!"
- Advertisement for Hercules Turpentine
- Part of 1943 Hercules Advertisements
- 1943
Formed in 1912 as part of an anti-trust settlement with DuPont, the Hercules Powder Company (later Hercules Inc.) initially specialized in the manufacture of explosives and smokeless powders and subsequently diversified…
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Chemical "Safety Screen" for Tender Skin
- Circa 1951
Color print advertisement for propylene glycol, U.S.P. manufactured and sold by the Dow Chemical Company for use as a solvent in sun tan lotions, cold creams, and other medicinal products. The advertisement features an…
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Letter from Alden H. Emery to Arnold O. Beckman
- 1955-Oct-06
In this letter, Emery, as secretary of the American Chemical Society, proposes Arnold Beckman as a nominee for President-Elect of the ACS. Beckman was ultimately not nominated, but his name was proposed again in 1956.
- Addressee Beckman, Arnold O.
- Author Emery, Alden H.
- Subject Beckman, Arnold O., American Chemical Society
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3 items
The Beckman Photoelectric Spectrophotometer
- Bulletin 79
- 1941-May-20
This report is not an instruction manual, but instead an overview of the (DU) photoelectric quartz spectrophotometer, containing descriptions of its components and specifications.
The first Beckman Instruments DU…
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6 items
Opinion Poll on Air Pollution and Its Control draft with Arnold O. Beckman's comments
- 1955
This survey was distributed at the Statewide Conference on Air Pollution Legislation, held in San Francisco on February 21, 1955. Beckman's comments and changes were incorporated into the final version distributed at…
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4 items
Results of Opinion Poll on Air Pollution and Its Control
- 1955-Mar-09
This survey was conducted at the Statewide Conference on Air Pollution Legislation, held in San Francisco on February 21, 1955. The results indicate that (among other things) attendees favored creating new air pollution…
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Bottle for Enovid 10 mg Oral Contraceptive
- After 1960
White plastic medicine bottle with safety cap. Bottle contains tablets and original inner seal is intact. White, dark red, and yellow label adhered to bottle reads "Enovid".
The ubiquitous bottle has a long history.…
- Manufacturer G.D. Searle & Co.
- Subject Women--Health and hygiene, Contraception, G.D. Searle & Co., Mestranol, Drugs, Medicine bottles, Birth control, Oral contraceptives
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94 items
Daily memos documenting human resources activities at National Technical Laboratories
- 1950-Dec-26 – 1951-Aug-07
These internal memos document a year's worth of human resources and other personnel decisions made at National Technical Laboratories, the precursor to Beckman Instruments. Some entries may have been written by Arnold…
- Creator Of Work Beckman, Arnold O., Beckman Instruments, Inc.
- Subject Beckman, Arnold O., Diaries, Personnel management, Beckman Instruments, Inc.
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Portrait of Lee de Forest (1873–1961)
- 1955-Feb-10
Lee de Forest (1873–1961) was an inventor, most notably of Audion vacuum tubes in the early twentieth century. His serial business ventures included work in radio, telegraphy, telephony, broadcasting, and film.
- Photographer Hessler Studio
- Subject De Forest, Lee, 1873-1961, Scientists--Portraits
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2 items
Letter from Arnold O. Beckman to Lee de Forest
- 1953-Jan-07
In this letter, Beckman declines to develop de Forest's light amplifier.
- Addressee De Forest, Lee, 1873-1961
- Author Beckman, Arnold O.
- Subject Scientific apparatus and instruments, Light amplifiers
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Memo from George Hare to Arnold O. Beckman
- De Forest Patent 2,594,740
- 1952-Nov-24
The memo outlines the reasons Beckman should not undertake development of Lee de Forest's light amplifier.
- Addressee Beckman, Arnold O.
- Author Hare, George H.
- Subject Scientific apparatus and instruments, Light amplifiers
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2 items
Letter from Lee de Forest to Arnold O. Beckman
- 1952-Nov-19
This letter suggests Beckman might be interested in commercial development of de Forest's new invention, a "sandwich, non-vacuous, light amplifier."
- Addressee Beckman, Arnold O.
- Author De Forest, Lee, 1873-1961
- Subject Scientific apparatus and instruments, Light amplifiers
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6 items
Patent for Electronic Light Amplifier
- 1952-Apr-29
U.S. Patent 2,594,740, filed on behalf of Lee de Forest and William A. Rhodes, describes a device for amplifying the intensity of radiation.
Lee de Forest (1873–1961) was an inventor, most notably of Audion vacuum…
- Creator Of Work De Forest, Lee, 1873-1961, Rhodes, William A.
- Subject Scientific apparatus and instruments, Light amplifiers
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Letter from Lee de Forest to Arnold O. Beckman
- 1936-Nov-10
Lee de Forest states that he returned from a trip to Chicago to find his company in financial disarray. He regrets that Beckman's contracted work was continued, despite an inability to pay for it, and assures him that…
- Addressee Beckman, Arnold O.
- Author De Forest, Lee, 1873-1961
- Subject Financial crises
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Letter from Lee de Forest to Arnold O. Beckman
- 1936-Oct-09
Lee de Forest states that he has "temporarily become disassociated from the activities of De Forest Television Corporation" and advises Beckman to retain any equipment currently in his possession.
Lee de Forest…
- Addressee Beckman, Arnold O.
- Author De Forest, Lee, 1873-1961
- Subject Scientific apparatus and instruments, Financial crises
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2 items
Receipt and memorandum of record
- Circa 1936
The receipt lists materials the De Forest Television Corporation received from Arnold O. Beckman. The memorandum concerns work Beckman performed for the American Television Corporation, the De Forest Television…
- Creator Of Work Beckman, Arnold O.
- Subject Scientific apparatus and instruments, Celluloid, Metal coating
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2 items
Letter from Lee de Forest to Arnold O. Beckman
- 1936-Jul-02
Lee de Forest discusses testing Beckman's film-coating process with antimony. A sample of antimony paper is included.
- Addressee Beckman, Arnold O.
- Author De Forest, Lee, 1873-1961
- Subject Antimony, Metal coating
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2 items
Letter from Arnold O. Beckman to Arthur E. Freston
- 1934-May-28
Arnold O. Beckman provides an overview of the vacuum film-coating process developed for Lee de Forest. The process successfully coated film with magnesium, lead, bismuth, aluminum, and silver. The letter is apparently…
- Addressee Freston, Arthur E.
- Author Beckman, Arnold O.
- Subject Celluloid, Metal coating
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2 items
Letter from Lee de Forest to Arnold O. Beckman
- 1934-May-10
In this letter, de Forest discusses the possibility of using chemicals to fight forest fires.
Lee de Forest (1873–1961) was an inventor, most notably of Audion vacuum tubes in the early twentieth century. His serial…
- Addressee Beckman, Arnold O.
- Author De Forest, Lee, 1873-1961
- Subject Fire extinction, Forest fires--Prevention and control, United States. Forest Service
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Letter from Lee de Forest to Arnold O. Beckman
- 1931-Nov-09
In this letter, de Forest proposes a process that could replace halftone film.
Lee de Forest (1873–1961) was an inventor, most notably of Audion vacuum tubes in the early twentieth century. His serial business ventures…
- Addressee Beckman, Arnold O.
- Author De Forest, Lee, 1873-1961
- Subject Photoengraving--Halftone process
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2 items
Letter from Lee de Forest to Arnold O. Beckman
- 1931-Oct-22
De Forest inquires about Beckman's progress toward a chemical coating that might change in opacity or color, and details the "very fine and uniform quality" of silver coated film de Forest is able to produce.
Lee de…
- Addressee Beckman, Arnold O.
- Author De Forest, Lee, 1873-1961
- Subject Silver films (Metal coating), Silvering, Celluloid
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Letter from Lee de Forest to Arnold O. Beckman
- 1931-Oct-09
The letter discusses the "very nice results" of using new Eastman film and queries as to the possible effects of light upon silvering solution.
Lee de Forest (1873–1961) was an inventor, most notably of Audion vacuum…
- Addressee Beckman, Arnold O.
- Author De Forest, Lee, 1873-1961
- Subject Silver films (Metal coating), Silvering, Celluloid
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Letter from Lee de Forest to Arnold O. Beckman
- 1931-Sep-09
The letter requests deliverables of 100 feet of silvered film, and two 10 foot pieces with a silver coating on emulsion film and clear stock.
Lee de Forest (1873–1961) was an inventor, most notably of Audion vacuum…
- Addressee Beckman, Arnold O.
- Author De Forest, Lee, 1873-1961
- Subject Silver films (Metal coating), Silvering
