Tire testing machine. Washington, D.C., May 20. Testing wear and tear on tires with this tire testing machine at the Bureau of Standards is W.D. ? hold, the machine simulates road tests traveling from 20 to 60 mph, the only difference is that the load on the tires is heavier than the normal weight of cars that the tires are made for ...
Summary
A black and white photo of a man working on a machine, Library of Congress Harris and Ewing collection
Title from unverified data received with the Harris & Ewing Collection on the negative or negative sleeve.
Date (year) 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 four.
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.)
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