Search Results
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Phosphoric acid furnace at Fixed Nitrogen Research Laboratory
- 1930-May-28
General view of a phosphoric acid furnace in use at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C. Phosphorus fumes and molten slag are seen emerging from the furnace…
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Ore-crushing machinery at blast furnace plant
- 1930-Mar-21
General view of machinery used to crush ore at the Fixed Nitrogen Research Laboratory's blast furnace plant. A worker identified as "Parker" is seen transferring raw material, presumably ore, from a machine into a…
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Phosphoric acid furnace at Fixed Nitrogen Research Laboratory
- 1930-May-28
General view of a phosphoric acid furnace in use at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C. Phosphorus fumes are seen emerging from the furnace as part of the…
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Travis P. Hignett and Mr. Royster reading temperature inside experimental blast furnace
- 1930-Mar-21
General view of Travis P. Hignett (left) and Mr. Royster (right) reading the temperature inside the experimental blast furnace at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in…
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Control panel for experimental blast furnace
- 1930-Mar-21
General view of the control panel for the experimental blast furnace at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C. The individual visible in the photograph is…
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Travis P. Hignett with experimental blast furnace at Fixed Nitrogen Research Laboratory
- 1930-Mar-21
General view of Travis P. Hignett demonstrating use of the blowing engines for the experimental blast furnace at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C. A…
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Mr. Madorsky with gas-fired smelting furnace
- 1930-Mar-21
General view of the gas-fired smelting furnace used to volatilize (i.e. cause to evaporate or disperse in vapor) potash at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington,…
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Storage piles for experimental blast furnace
- 1930-Mar-21
General view of storage piles of raw material, including greensand, leucite, coke, and limestone, used in the experimental blast furnace at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located…
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Combination hot plate and shaker
- 1930-Jan-08
View of a combination hot plate and shaker used to investigate potash at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C. Potash salts are an important component in the…
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Absorption chamber for nitrogen oxides
- 1930-Jan-08
Absorption chamber for nitrogen oxides used at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C. In this photograph, the chamber's casing has been removed to show the…
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Apparatus for the analysis of vapors at the Fixed Nitrogen Research Laboratory
- 1930-Jan-08
Apparatus used to analyze vapors emitted from the reaction of liquid carbon dioxide and liquid ammonia at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C. In the…
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Equipment for treating fertilizer raw materials with nitrogen oxides
- 1930-Jan-08
Equipment used to treat raw materials for the production of fertilizer with nitrogen oxides at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C.
The Fixed Nitrogen…
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General view of apparatus for determining total and partial vapor pressures
- 1930-Jan-08
General view of apparatus use to determine total and partial vapor pressures at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C. The apparatus was commonly used to…
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Apparatus for determining vapor pressure, with view of equilibrium chamber and isoteniscope
- 1930-Jan-08
Apparatus used to determine vapor pressure of vapor emitted from the reaction of liquid carbon dioxide and liquid ammonia at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington,…
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Apparatus for studying the thermal reaction of acetylene and nitrogen
- 1930-Jan-08
An apparatus used to study the thermal reaction of acetylene and nitrogen at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C.
The Fixed Nitrogen Research Laboratory…
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Apparatus for studying the thermal reactions in gases (with screen)
- 1930-Jan-08
An apparatus used to study thermal reactions in gases at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C. A protective screen partially obscures the front of the…
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Large-capacity constant temperature bath
- 1930-May-28
General view of a large-capacity constant temperature bath with a removable glass front used at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C.
The Fixed Nitrogen…
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Apparatus for determining solubility of gases in liquids
- 1930-May-28
General view of an apparatus used to determine the solubility of gases in liquids at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C. Visible in the bath of the…
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Autoclave and still at Urea Plant
- 1930-Jan-08
General view of an autoclave and still at the Fixed Nitrogen Research Laboratory's Urea Plant. Urea is a water-soluble powder form of carbonic acid frequently used as a fertilizer and feed supplement.
The Fixed…
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Carbon dioxide drier, compressor, liquifier, and liquid storage
- 1930-Jan-08
General view of a carbon dioxide drier, compressor, liquifier, and liquid storage used at the Fixed Nitrogen Research Laboratory's Urea Plant. Urea is a water-soluble powder form of carbonic acid frequently used as a…
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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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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…
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Portrait of John Van Nostrand Dorr (1872-1962)
- 1930s
Portrait of John Van Nostrand Dorr (1872-1962). In partnership with John Lundberg and A.D. Wilson, Van Nostrand Dorr owned the Lundberg, Dorr, & Wilson gold & silver mining operation in Terry, South Dakota. In 1916, he…
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Portrait of Williams Haynes (1886-1960)
- Circa 1930
Portrait of Williams Haynes (1886-1960). Williams Haynes was born on July 29, 1886 in Detroit, Michigan. After graduating from high school, Haynes worked as a reporter for the New York Sun before enrolling at Johns…
- Subject Journalists, Haynes, Williams, 1886-1960, Portraits
