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22 résultats pour : archival bureau of standards

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Bureau of Standards, steel testing machine. 2,300,000 [...] capacity ca. between 1910 and 1925
UMG22A10_110

Bureau of Standards, steel testing machine. 2,300,...

Bureau of Standards building ca. between 1909 and 1920
UMG22A12_091

Bureau of Standards building ca. between 1909 and ...

Workers at the Bureau of Standards, Instrument shop ca. between 1909 and 1920
UMG22A11_444

Workers at the Bureau of Standards, Instrument sho...

Wind tunnel, Bureau of Standards ca. between 1918 and 1921
UMG22A13_028

Wind tunnel, Bureau of Standards ca. between 1918...

Paper manufacturing machine of the Pusey & Jones Company, at the Bureau of Standards ca. 1909
UMG22A13_372

Paper manufacturing machine of the Pusey & Jones C...

Uncle Sam seeking way to improve theaters for talkies
UMG22A04_022

Uncle Sam seeking way to improve theaters for talk...

S.D. West of the aerodynamics section of the Bureau of Standards
UMG22A04_043

S.D. West of the aerodynamics section of the Burea...

Donald Brooks
UMG22A04_105

Donald Brooks

Worker at the Bureau of Standards making extensive tests of hollow glass building blocks circa 1938 .
UMG21A21_390

Worker at the Bureau of Standards making extensive...

A study of the mechanism of the flame propogation in the cylinder of a internal combustion engine is being made at the U.S. Bureau of Standards for the National Advisory Committee for Aeronautics circ...
UMG21A21_021

A study of the mechanism of the flame propogation ...

The United States Government Air Gun for testing the velocity of baseball at Griffith Stadium circa 1938.
UMG21A21_352

The United States Government Air Gun for testing t...

Workers at the National Bureau of Standards testing the strength of glass panels circa 1938 .
UMG21A21_391

Workers at the National Bureau of Standards testin...

U.S. Government Waste - E.L. Wallace, acting Chief of the Leather Section of the Bureau of Standards, shown with the endurance shoe tester circa 10/24/1935 .
UMG21A22_401

U.S. Government Waste - E.L. Wallace, acting Chief...

A National Bureau of Standards worker conducting experiement to help with movie film preservation circa 1938.
UMG21A21_394

A National Bureau of Standards worker conducting e...

A National Bureau of Standards worker conducting experiement to help with movie film preservation - folding endurance test circa 1938.
UMG21A21_395

A National Bureau of Standards worker conducting e...

Tire testing, Bureau of Standards circa 1936.
UMG21A22_321

Tire testing, Bureau of Standards circa 1936.

Dr. L.F. Curtiss, of the U.S. Bureau of Standards, is shown here with part of the equipment he uses in experiments using radio to gather meteorological data at great altitudes circa 10/17/1935.
UMG21A22_276

Dr. L.F. Curtiss, of the U.S. Bureau of Standards,...

Government scientists conducting tests on electrical current circa 1938.
UMG21A21_353

Government scientists conducting tests on electric...

A National Bureau of Standards worker conducting experiement to help with movie film preservation - resistance testing circa 1938.
UMG21A21_396

A National Bureau of Standards worker conducting e...

Government Waste - Bureau of Standards designs mechanical batter to determine liveliness of baseballs, an example of government wasting money during the Great Depression circa 1938 .
UMG21A21_350

Government Waste - Bureau of Standards designs mec...

Government Waste - Bureau of Standards designs mechanical batter to determine liveliness of baseballs, an example of government wasting money during the Great Depression circa 1938 .
UMG21A21_351

Government Waste - Bureau of Standards designs mec...

Government waste - Government employee testing panty hose circa 1938.
UMG21A21_359

Government waste - Government employee testing pan...