Rating gasolines,Bureau,Standards,FR Carter,carburetor,Washington DC,1937

Title: Rating gasolines at the Bureau of Standards. Washington, D.C., April 17. F.R. Carter of the U.S. Bureau of Standards is shown adjusting the mixture of gasoline to find out the rating in octane numbers of gasolines. The three carbureter shown in the foreground are each filled with a gasoline tow of which with a known octane rating and the third is filled with the sample to be tested, this machine has a variable compression ratio and can be changed while in motion
Creator(s): Harris & Ewing, photographer
Date Created/Published: [1937] April 17.
Notes:
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.
Subjects:
United States--District of Columbia--Washington (D.C.)
Bookmark /hec2009009243/
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