Bureau of Standards speeds up photomicrography with new apparatus. Washington, D.C., Aug. 18, Historic Print

Drawn from the Library of Congress archive, this print depicts Bureau of Standards speeds up photomicrography with new apparatus. Washington, D.C., Aug. 18. The Library holds one of the most comprehensive collections of American and international historical prints in the world.

Library of Congress record: Created 1937 August 18 Title from unverified caption data received with the Harris & Ewing Collection. Gift; Harris & Ewing, Inc. 1955. General information about the Harris & Ewing Collection is available at Bureau of Standards speeds up photomicrography with new apparatus. Washington, D.C., Aug. 18. By means of this new apparatus just designed by the metallurgical divisions of the National Bureau of Standards, it is now possible to make 700 micrographs per working day of the structural effect of corrosion on cross sections of metallic specimans. This new machine uses roll film of 900 negatives at one loading, thus dispensing with the repeated loading and unloading.

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