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Start Over You searched for: Date 1950 to 1959 Remove constraint Date: <span class="from" data-blrl-begin="1950">1950</span> to <span class="to" data-blrl-end="1959">1959</span>-
Dick Kowalczyk welding side arm onto glass polymerizer
- 1957-Oct-02
General view of Dick Kowalczyk welding a side arm onto a glass polymerizer manufactured in the Dow Chemical Company's Glass Fabrication department. Founded in 1925, the department was responsible for the fabrication and…
- Creator Of Work Dow Chemical Company
- Subject Welding, Laboratories, Dow Chemical Company, Glass manufacture, Machinery, Glassware, Employees, Kowalczyk, Dick
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Bill Pahl heating and compressing glass tube
- 1957-Oct-02
General view of Bill Pahl alternately heating and compressing a glass tube, part of a semi-microfractionation column manufactured in the Dow Chemical Company's Glass Fabrication department. Founded in 1925, the…
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Merlyn Smith molding a flange in Glass Fabrication department
- 1957-Oct-02
General view of Merlyn Smith molding a flange on a six-inch pipe manufactured in the Dow Chemical Company's Glass Fabrication department. Founded in 1925, the department was responsible for the fabrication and repair of…
- Creator Of Work Dow Chemical Company
- Subject Employees, Glass blowing and working, Laboratories, Dow Chemical Company, Turning (Lathe work), Glass manufacture, Machinery, Glassware, Lathes, Smith, Merlyn
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Wayne Doehring with glass polymerizer in Glass Fabrication department
- 1957-Oct-02
General view of Wayne Doehring placing a glass polymerizer into the annealing furnace in the Dow Chemical Company's Glass Fabrication department. Founded in 1925, the department was responsible for the fabrication and…
- Creator Of Work Dow Chemical Company
- Subject Employees, Laboratories, Dow Chemical Company, Glass manufacture, Furnaces, Glassware, Doehring, Wayne
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Carl Goetz blowing glass at Dow Chemical Company facility
- 1957-Oct-02
General view of apprentice Carl Goetz blowing out a distillation head of a glass tube manufactured in the Dow Chemical Company's Glass Fabrication department. Founded in 1925, the department was responsible for the…
- Creator Of Work Dow Chemical Company
- Subject Employees, Glass blowing and working, Laboratories, Dow Chemical Company, Glass manufacture, Blown glass, Glassware, Goetz, Carl
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Joe Skalnican using automatic calibrating machine in Glass Fabrication department
- 1957-Oct-02
General view of glassblower Joe Skalnican using an automatic calibrating machine to apply calibration marks to a piece of glass manufactured in the Dow Chemical Company's Glass Fabrication department. Founded in 1925,…
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Ken Altman and Francis Parkinson, Jr. examining glassware at Dow Chemical Company facility
- 1957-Oct-02
General view of shop foreman Ken Altman (left) and Francis Parkinson, Jr. examining assorted glassware produced in the Dow Chemical Company's Glass Fabrication department. Founded in 1925, the department was responsible…
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Bill Schwartz fusing glass at Dow Chemical Company facility
- 1957-Oct-02
General view of glassblower Bill Schwartz applying internal pressure to fuse and close the end of a small vacuum-jacketed column in the Dow Chemical Company's Glass Fabrication department. Founded in 1925, the…
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Apparatus at U.S. Department of Agriculture facility
- 1950s
General view of an unidentified apparatus, possibly a hopper or type of granulation equipment, at an unidentified U.S. Department of Agriculture facility, likely the U.S.D.A.'s Agricultural Engineering Laboratory. Three…
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U.S. Department of Agriculture drillability apparatus
- 1950s – circa
General view of a drillability apparatus with fertilizer hoppers, a starwheel, and rotating plate mechanism at an unidentified U.S. Department of Agriculture facility.
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Stokes Tablet Press at Agricultural Engineering Laboratory
- 1950s
General view of a Stokes Tablet Press at the U.S. Department of Agriculture's Agricultural Engineering Laboratory facility. A tablet press is a mechanical device that compresses granulated material into tablets or…
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Interior view of fertilizer apparatus
- 1950s
Close-up view of the interior of an apparatus likely used for the manufacture and/or testing of fertilizer at an unidentified U.S. Department of Agriculture facility.
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Granulation equipment at the Agricultural Engineering Laboratory
- Circa 1953
General view of granulation equipment used at the U.S. Department of Agriculture's Agricultural Engineering Laboratory located in Beltsville, Maryland. This equipment is believed to have been used by chemist John O.…
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Small-scale continuous granulation equipment
- Circa 1953
General view of small-scale continuous granulation equipment used at the U.S. Department of Agriculture's Agricultural Engineering Laboratory.
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Drillability apparatus at the Agricultural Engineering Laboratory
- Circa 1953
General view of an unidentified room at the U.S. Department of Agriculture's Agricultural Engineering Laboratory showing a drillability apparatus with fertilizer hoppers, a starwheel, and rotating plate mechanism.
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Drillability machine and hopper at the Agricultural Engineering Laboratory
- 1955-Jan-25
General view of the drillability machine at the U.S. Department of Agriculture's Agricultural Engineering Laboratory showing the distribution of wet granular fertilizer as deposited by the Grether hopper.
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2 items
Students' Potentiometer
- 1950s
Potentiometers are used to measure electromotive force (emf) by balancing it with a known emf. The concept was first developed in 1841 by J. C. Poggendorff and improved throughout the 19th century by Latimer Clark and…
- Manufacturer Leeds and Northrup Company
- Subject Potentiometer, Leeds and Northrup Company
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Double flask for demonstrating anaerobic fermentation
- 1939 – 1967 (Date span attributed to photograph)
Photograph of a double flask used by French biologist, microbiologist, and chemist Louis Pasteur (1822-1895) to demonstrate anaerobic fermentation, as displayed at the Pasteur Institute in Paris. Per notations…
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Beckman Model G Glass Electrode pH Meter
- 1950
Self contained pH meter with wooden exterior; hinged top door opens to reveal meter face and inlaid paper instructions for use; the dial is calibrated from pH 0 to pH 13 in .1 pH divisions; porcelain enamel lined…
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Evelyn Photoelectric Colorimeter
- 1950 – 1959
Wooden box with metal instrument panel on top; four small black rubber feet on bottom; front of wooden box contains printed instructions and folds down to show inside of instrument; rectangular wooden area attached to…
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Sunderman Model RCM14B1 Conductivity Bridge
- Circa 1950
Hardwood case with a leather handle and metal hinges and clasp; aluminium interior instrument panel has black finish; instructions on paper are inside the lid; the instrument panel features four black plastic knobs, two…
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Employees at work in Dow Glass Fabrication department
- 1952
View of two unidentified employees shaping assorted laboratory glassware in the Dow Chemical Company's Glass Fabrication department. The man on the left (closest to the camera) is seen using a table-top blow torch to…
- Creator Of Work Dow Chemical Company
- Photographer Korling, Torkel
- Subject Employees, Glass blowing and working, Laboratories, Dow Chemical Company, Glass manufacture, Glassware
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Bill Beamer at work in Dow Spectroscopy Laboratory
- 1952
General view of technician Bill Beamer operating an unidentified machine in the Dow Chemical Company's Spectroscopy Laboratory.
- Creator Of Work Dow Chemical Company
- Photographer Korling, Torkel
- Subject Spectrum analysis, Laboratories, Dow Chemical Company, Machinery, Employees, Scientific apparatus and instruments, Beamer, Bill
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Endurance testing of aircraft hydraulic pump
- 1958
General view of machinery used to conduct endurance tests of high-temperature (400 degrees Fahrenheit), high-pressure (3000psi) aircraft hydraulic pump at the Naval Air Material Center's Aeronautical Materials…
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General view of the Plastics Testing area
- 1958
General view of the Plastics Testing area at the Naval Air Material Center's Aeronautical Materials Laboratory. Technicians are seen working with assorted equipment used to simulate various service conditions and test…