Search Results
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Vertical retort and wood loading conveyor
- 1949
General view of the vertical retort and wood loading conveyor at the Cliffs Dow sawmill and wood distillation plant located in Marquette, Michigan. Providing a sense of scale, two unidentified employees are visible in…
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Sawmill at Cliffs Dow plant in Marquette, Michigan
- 1949
General view of an unidentified employee loading logs into a machine in the sawmill at the Cliffs Dow wood distillation plant located in Marquette, Michigan. Seeking a source of raw material for its new plastic,…
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Employee using band saw at Cliffs Dow plant
- 1949
General view of an unidentified employee feeding cants (logs with one or more squared sides) into a band saw in the sawmill at the Cliffs Dow wood distillation plant located in Marquette, Michigan. Seeking a source of…
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Employee filing band saw at Cliffs Dow plant in Marquette, Michigan
- 1949-Jun
General view of an unidentified employee filing a band saw in the sawmill at the Cliffs Dow wood distillation plant located in Marquette, Michigan. Seeking a source of raw material for its new plastic, ethylcellulose,…
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Employee filing circular saws at Cliffs Dow plant in Marquette, Michigan
- 1949
General view of an unidentified employee filing circular saws in the sawmill at the Cliffs Dow wood distillation plant located in Marquette, Michigan. Seeking a source of raw material for its new plastic,…
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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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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 W. L. Pereira to Arnold O. Beckman
- 1957-Sep-20
Architect William Pereira writes to invite Arnold O. Beckman to a dinner in celebration of an award for the Helipot building in Newport Beach, California. The Pereira & Luckman-designed building was to be honored as one…
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2 items
Letter from Edwin W. Taylor to Arnold O. Beckman
- 1947-Aug-15
This letter includes a report on existing Beckman trademarks as of 1947, including information on the "acidimeter" and the point at which that instrument became known as the pH meter (1935).
- Addressee Beckman, Arnold O.
- Author Taylor, Edwin W.
- Subject Hydrogen-ion concentration--Measurement--Instruments, Patents, Trademarks, Beckman Instruments, Inc.
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2 items
Letter from D. C. Duncan to Arnold O. Beckman
- 1956-Dec-03
The memorandum documents complaints about the architecture firm Pereira & Luckman. Duncan states that "we have been anywhere from moderately displeased to completely upset with P & L."
- Addressee Beckman, Arnold O.
- Author Duncan, Donald C.
- Subject Pereira, William L., 1909-1985, Architects, Luckman, Charles, 1909-1999, Beckman Instruments, Inc.
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Progress Report on glass electrodes
- What is new about L & N electrodes
- 1955-Aug-15
The report concerns the business of electrodes, including legally challenging questions about possible patent infringement.
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Gas Detector Specifications (Beckman Model 150 Mass Spectrometer)
- 1955-Aug-05
Mass spectrometers measure the mass of sample components after ionization.
Walter Donner's work with Beckman Instruments including oversight of the development of medical monitoring equipment for the Apollo, Mercury,…
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131 items
Instruction Manual, Berkeley Electronic Analog Simulating Equipment
- 1954-Jan-10
Beckman Instruments' analog computers were being produced by their Berkeley Division as early as 1953. The company produced analog computers -- also called automation, data reduction, or data handling systems -- for the…
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Letter from Linus Pauling to Durand Churchill, Jr.
- 1945-Jun-08
In this letter Pauling reiterates requests for permission to discuss and publish on the oxygen meter, and argues for loosening security classification. He cites Arnold O. Beckman's permission to discuss the project…
