Similar
R. Davis of Bu. of Standards with camera for testing photographic materials, 6/16/25
Representative Shannon of Missouri. Representative Shannon at desk
Bureau of Engraving, Washington, D.C
R. Davis of Bu. of Standards with camera for testing photographic materials, 61625
[Bureau of Engraving], Washington, D.C
Washington, D.C. Working in machine shop at the Armstrong Technical High School
Related
[Man using microscope in laboratory]
Prof. E.F. McCampbell, in lab with microscope
[Man usning scientific apparatus in laboratory]
Sergei Prokudin Gorskiy, Scientific laboratory, color separation negative
Laboratory - Glass negative photogrpah. Public domain.
Man with scientific instruments
The Young Choreographers Laboratory
Forest Products Laboratory, Madison, Wissonsin. Dr. R.O. Marts in his laboratory. He is using an Ultropak microscope for the detection of obscure defects in airplane veneer
Laboratory - Glass negative photogrpah. Public domain.
Man using microscope in laboratory
Summary
A black and white photo of a man in a lab, Library of Congress Harris and Ewing collection
Date based on date of negatives in same range.
Gift; Harris & Ewing, Inc. 1955.
General information about the Harris & Ewing Collection is available at http://hdl.loc.gov/loc.pnp/pp.hec
Temp. note: Batch eight.
The Harris & Ewing, Inc. Collection of photographic negatives includes glass and film negatives taken by Harris & Ewing, Inc., which provide excellent coverage of Washington people, events, and architecture, during the period 1905-1945. Harris & Ewing, Inc., gave its collection of negatives to the Library in 1955. The Library retained about 50,000 news photographs and 20,000 studio portraits of notable people. Approximately 28,000 negatives have been processed and are available online. (About 42,000 negatives still need to be indexed.)