Category:Fixed Nitrogen Research Laboratory
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The Travis P. Hignett Collection of Fixed Nitrogen Research Laboratory Photographs at the Science History Institute contains 290 digitized items including these photographs of buildings, laboratories, equipment and personnel associated with the Fixed Nitrogen Research Laboratory, Arlington Experimental Farm, and several other U.S. Department of Agriculture sites in the 1920s through the 1950s. The photographs were collected by Travis P. Hignett, a chemist who worked in fertilizer research at the Fixed Nitrogen Research Laboratory.
Subcategories
This category has only the following subcategory.
Media in category "Fixed Nitrogen Research Laboratory"
The following 45 files are in this category, out of 45 total.
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Apparatus for investigating the Phase Rule of an iron-nitrogen system 9p290969x.tif 3,226 × 2,553; 31.42 MB
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Henry G. Knight 2003 902 306 cv43nx15d.jpg 1,894 × 2,714; 555 KB
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Katharine S. Love PP 2003.902.128.jpg 1,945 × 1,482; 404 KB
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Milton Whitney (1860-1927), Chief of the Division of Agricultural Soil.tiff 2,926 × 3,899; 43.53 MB
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THC 2003.902.017 Sebastian Karrer Measuring Thermal Conductivity.tif 3,000 × 2,377, 2 pages; 20.41 MB
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THC 2003.902.018 R. J. Connor Photographing the Spectrum.tif 1,380 × 1,097, 2 pages; 4.34 MB
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THC 2003.902.019 E. C. White Apparatus for Analysis.tif 2,497 × 3,077; 21.98 MB
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THC 2003.902.020 J. F. Shultz Investigation of Phosphine.tif 3,064 × 2,473; 21.68 MB
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THC 2003.902.021 E. H. Johnston Ozone Production.jpg 3,139 × 2,941; 10.89 MB
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THC 2003.902.022 D. C. Bardwell Study of Nitrogen Fixation.tif 2,151 × 1,824, 2 pages; 11.24 MB
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THC 2003.902.032 Thermostated Agitating Device L. Pinck.tiff 2,510 × 3,338; 31.97 MB
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THC 2003.902.032 Thermostated Agitating Device.tif 2,448 × 3,142, 2 pages; 22.03 MB
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THC 2003.902.036 Determining Hygroscopicity Mr. Adams.tiff 3,014 × 2,164, 2 pages; 18.72 MB
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THC 2003.902.036 Determining Hygroscopicity.tif 2,318 × 1,847; 12.25 MB
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THC 2003.902.037 Shaking Machine.jpg 2,199 × 1,742; 1.54 MB
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THC 2003.902.038 Stirring Machine.jpg 2,192 × 1,779; 1.56 MB
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THC 2003.902.040 J. E. Reuter Instrument Making Shop.tiff 3,117 × 2,581, 2 pages; 23.08 MB
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THC 2003.902.041 J. E. Reuter Instrument Making Shop.tif 2,258 × 1,824, 2 pages; 11.79 MB
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THC 2003.902.052 Electrolytic Cells for Hydrogen Production.tif 1,534 × 1,222; 5.36 MB
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THC 2003.902.063 Auxiliary Gasoline Engine.tiff 2,139 × 1,732, 2 pages; 10.67 MB
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THC 2003.902.064 Compressors.tiff 1,532 × 1,246; 5.46 MB
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THC 2003.902.069 Colorimeter for NO2 Analysis.tif 1,208 × 1,492; 5.16 MB
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THC 2003.902.070 Silica Gel Adsorber for NO2.tif 1,541 × 1,231; 5.43 MB
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THC 2003.902.071 Urea Plant.tif 1,513 × 1,217, 2 pages; 5.29 MB
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THC 2003.902.087 J. G. Thompson Ammonia Catalyst Fusion Pot.tif 2,516 × 2,140, 2 pages; 15.42 MB
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THC 2003.902.096 E. D. Crittenden Catalyst Testing.tif 2,556 × 2,083, 2 pages; 15.24 MB
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THC 2003.902.104 Mrs. M. K. Murray Nitrometer.jpg 3,627 × 4,813; 1.12 MB
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THC 2003.902.105 Fixed Nitrogen Research Laboratory Exterior.tif 2,215 × 1,712; 10.85 MB
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THC 2003.902.107 Tapping Slag from Experimental Blast Furnace.tif 2,265 × 1,865; 12.09 MB
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THC 2003.902.116 Charging the Experimental Blast Furnace.tif 2,592 × 2,087, 2 pages; 15.49 MB
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THC 2003.902.117 Charging the Experimental Blast Furnace.tiff 3,181 × 2,618, 2 pages; 23.89 MB
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THC 2003.902.118 Charging the Experimental Blast Furnace.tiff 3,310 × 2,662, 2 pages; 25.27 MB
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THC 2003.902.119 T. Hignett Control Instruments of the Blast Furnace.tif 1,897 × 2,520; 13.68 MB
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THC 2003.902.122 Ore Crushing Machinery.tif 2,332 × 1,900; 12.68 MB
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THC 2003.902.127 T. Hignett Optical Pyrometer.tif 2,098 × 1,528; 9.17 MB
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THC 2003.902.155 E. P. Bartlett Apparatus for Compressibility of Gas.tif 1,384 × 1,096; 4.34 MB
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THC 2003.902.156 Apparatus for Compressibility of Gas.tiff 1,716 × 2,120, 2 pages; 10.47 MB
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THC 2003.902.157 E. P. Bartlett Apparatus for Compressibility of Gas.tiff 1,944 × 1,569, 2 pages; 8.79 MB
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THC 2003.902.158 Apparatus for Compressibility of Gas.tiff 2,144 × 1,732, 2 pages; 10.69 MB
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THC 2003.902.170 Measuring Vapor Pressures.tif 1,887 × 2,449; 13.22 MB
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THC 2003.902.232 Tapping Slag from Experimental Blast Furnace.tiff 3,513 × 2,735; 27.51 MB
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THC 2003.902.235 Tapping Slag from Experimental Blast Furnace.tiff 3,493 × 2,703; 27.04 MB
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THC 2003.902.299 Fixed Nitrogen Research Laboratory Group Photo.tif 3,091 × 2,512, 2 pages; 22.24 MB
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THC 2003.902.311 Gae Bennett.tif 2,438 × 2,981; 20.79 MB
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THC 2003.902.318 Women workers Group portrait.tif 1,500 × 1,225; 5.26 MB