Search Results
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3 items
Experimental blast furnace on burden of phosphate
- 1930s
Three views of the experimental blast furnace on a burden (a load, especially a heavy one) of phosphate at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory plant.
The Fixed Nitrogen Research…
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Experimental blast furnace at Fixed Nitrogen Research Laboratory plant
- 1930s
General view of an experimental blast furnace at a U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory plant. The Fixed Nitrogen Research Laboratory (F.N.R.L.) was established at American University in…
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Blowing out experimental blast furnace
- 1934-Jan
General view of the blowing out process for the experimental blast furnace at a Fixed Nitrogen Research Laboratory facility. The process of blowing out, also known as "raking out," is undertaken when production from a…
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2 items
Equipment used to produce intermediate for conversion to potassium metaphosphate
- Circa 1934
Two views of apparatus and equipment used to produce an intermediate suitable for conversion to potassium metaphosphate at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington,…
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9 items
Experimental blast furnace plant during Tennessee Valley Authority operation
- 1934-Apr-05
Assorted views of the Fixed Nitrogen Research Laboratory's experimental blast furnace plant during a Tennessee Valley Authority (T.V.A.) operation.
The Fixed Nitrogen Research Laboratory (F.N.R.L.) was established at…
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Employees observing temperature inside Royster stoves at experimental blast furnace
- 1934-Apr-05
General view of unidentified employees observing the temperature inside the Royster stoves at the Fixed Nitrogen Research Laboratory's experimental blast furnace plant during a Tennessee Valley Authority (T.V.A.)…
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Personnel at experimental blast furnace plant
- 1934-Apr-05
Group photograph of personnel at the Fixed Nitrogen Research Laboratory's experimental blast furnace plant, taken at the conclusion of a Tennessee Valley Authority (T.V.A.) operation. Per notations accompanying the…
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Portrait of George O. Curme, Jr. (1888-1976)
- 1930s – circa
Portrait of George O. Curme, Jr. (1888-1976), popularly known as the father of ethylene and for his pioneering work on applications for by-products of petroleum processing.
Born in Mount Vernon, Iowa on December 24,…
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Portrait of Thomas Midgley, Jr. (1889-1944)
- 1930s – circa
Portrait of Thomas Midgley, Jr. (1889-1944), an American engineer and chemist who discovered the effectiveness of tetraethyl lead as an antiknock additive for gasoline.
Thomas Midgley, Jr. was born on May 18, 1889 in…
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Portrait of George O. Curme, Jr. (1888-1976)
- 1930s – circa
Portrait of George O. Curme, Jr. (1888-1976), popularly known as the father of ethylene and for his pioneering work on applications for by-products of petroleum processing.
Born in Mount Vernon, Iowa on December 24,…
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Employee at work in raw material storage at Fixed Nitrogen Research Laboratory plant
- 1930s
General view of an unidentified worker sorting raw material, possibly ore or phosphate, at a Fixed Nitrogen Research Laboratory plant. The Fixed Nitrogen Research Laboratory (F.N.R.L.) was established at American…
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Apparatus at Fixed Nitrogen Research Laboratory
- 1930s
General view of an unidentified apparatus, possibly a pump or compressor, used at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C.
The Fixed Nitrogen Research…
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3 items
Letter from General Dyestuff Corporation to Albert Darbey
- 1934-Feb-01
Contains a listing of available para color dyes.
- Addressee Darbey, Albert
- Author General Dyestuff Corporation
- Subject Dyes and dyeing
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Postcard and French postage stamp commemorating Louis Pasteur
- After 1885 – before 1953
Postcard image is a reproduction of Finnish painter Albert Edelfelt's famed portrait "Pasteur Dans Son Laboratoire" [Pasteur In His Laboratory]. The portrait depicts Pasteur in his laboratory at the rue d'Ulm,…
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Postage stamp commemorating German emergency aid
- 1934
Stamp issued by the "Deutsche Reich" government under Nazi rule depicting images associated with the profession of chemistry.
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Mounted French postage and semipostal stamps depicting Louis Pasteur
- 1922 – 1936
Nine small postage stamps in various denominations issued in commemoration of the 100th anniversary of the birth of Louis Pasteur in 1922. The large semipostal stamp was issued in 1936 and includes a surtax for the…
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Original site of National Technical Laboratories
- 1930s
This garage was the first location of the National Inking Appliance Company, founded by the National Postal Meter Company in 1934 to manufacture the new, nonclogging inking device invented by Arnold O. Beckman. This…
- Subject Buildings, Garages, Beckman Instruments, Inc.
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Physical Testing Laboratory View #3
- 1930s – circa
General view of the Physical Testing Laboratory located in the Educational Buildings at the Dow Chemical Company facility in Midland, Michigan.
- Creator Of Work Dow Chemical Company
- Subject Laboratories, Dow Chemical Company, Scientific apparatus and instruments
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Job schedule for National Technical Laboratories
- 1934-Jan-09
This job schedule is a snapshot of the work being done by NTL in January, 1934. This work included the important pH meter development for the California Fruit Growers Exchange, of course, but also a project for Lee de…
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Letter from W. E. Baier to Arnold O. Beckman
- 1934-Jun-22
This letter spells out the instrument maintenance and upgrades that the California Fruit Growers Exchange believe are included with the cost of developing the "glass electrode apparatus" (an early prototype of the…
- Addressee Beckman, Arnold O.
- Author Baier, W. E.
- Subject Hydrogen-ion concentration--Measurement--Instruments, Sunkist Growers, inc., Scientific apparatus and instruments, Electrodes, Glass, Scientific apparatus and instruments--Design and construction, California Fruit Growers Exchange, Beckman Instruments, Inc.
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Financial statement for McLeod Gauge and glass electrode development
- 1934-Apr-10
Invoice from Arnold O. Beckman to W. E. Baier
for developing and calibrating McLeod gauges and glass electrodes -- components involved in the early Beckman pH meter.Arnold Beckman invented his first pH meter in 1934…
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Financial statement for glass electrode
- 1934-Jun-19
A bill sent by Arnold Beckman to W. E. Baier, covering the cost of a "glass-electrode apparatus," which was included in the first Beckman pH meter.
Arnold Beckman invented his first pH meter in 1934 at the request of a…
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Letter from Arnold O. Beckman to Glenn Joseph
- 1934-Apr-09
Directions for calibrating a McLeod gauge for use with the early model of the Beckman pH meter. This letter is likely related to the handwritten McLeod gauge diagrams and calculations also found in this folder. At the…
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Letter from Arnold O. Beckman to Glenn Joseph
- 1934-Jun-25
Letter regarding the possible contents of and functioning of the glass electrode in the first pH meter models.
Arnold Beckman invented his first pH meter in 1934 at the request of Glenn Joseph, a chemist from the…
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Calibration of a McLeod Gauge
- 1930s
The McLeod Gauge measures very low pressures of gasses. Its presence in this collection indicates that it was used during the production of Beckman Instruments' early pH meters. These calibrations may have been written…
