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Government expert listens to broadcasts of automobile ... The Automotive Section of the Bureau of Standards is studying the anti-knock proportion of fuel used in automobile and aircraft engines and the scientist in this photograph is "listening in" to the signals of an engine instead of listening to a radio broadcasting station. Eventually, these studies may evolve a new engine, one that will use fuel more economically and efficiently
Substitute fuels tested. Conducting an experiment to determine whether engine wear is increased by the use of fuel substitutes, Emmet L. Reed of Washington, D.C. makes an identification mark on the cylinder of an automobile engine. The rate of the mark's disappearance will determine the degree of wear. This is part of the "ersatz" fuel experiments which are being conducted at the U.S. Bureau of Standards
Substitute fuels tested. Conducting an experiment to determine whether engine wear is increased by the use of fuel substitutes, Emmet L. Reed of Washington, D.C. makes an identification mark on the cylinder of an automobile engine. The rate of the mark's disappearance will determine the degree of wear. This is part of the "ersatz" fuel experiments which are being conducted at the U.S. Bureau of Standards
Washington inventor says ignition interference from airplane engines is a myth. Ignition interference from airplane engines on aircraft is largely a myth according to C. Francis Jenkins, Washington, D.C., inventor who has designed a radio receiving set which he does not pick up noises from a flying power plant. In this photograph is shown Mr. Jenkins (right) and his laboratory assistant
Gasoline rationing. Beginning May 22nd, motorists must display stickers like the one shown here to match their gasoline rationing coupon books. The letters will be given different colors: black for the "A," green for the "B," red for the "D" and brown for the "S" cards. The stickers will be issued with the new coupon books and must be displayed on the automobile
Washington inventor says ignition interference from airplane engines is a myth. Ignition interference from airplane engines on aircraft is largely a myth according to C. Francis Jenkins, Washington, D.C., inventor who has designed a radio receiving set which he does not pick up noises from a flying power plant. In this photograph is shown Mr. Jenkins (right) and his laboratory assistant
Substitute fuels tested. Emmet L. Reed, laboratory assistant at the U.S. Bureau of Standards, uses a special microscope to measure the degree of wear which substitute gasoline has produced on an automobile engine cylinder
Gasoline rationing. Beginning May 22nd, motorists must display stickers like the one shown here to match their gasoline rationing coupon books. The letters will be given different colors: black for the "A," green for the "B," red for the "D" and brown for the "S" cards. The stickers will be issued with the new coupon books and must be displayed on the automobile
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
Government expert listens to broadcasts of automobile [...] The Automotive Section of the Bureau of Standards is studying the anti-knock proportion of fuel used in automobile and aircraft engines and the scientist in this photograph is "listening in" to the signals of an engine instead of listening to a radio broadcasting station. Eventually, these studies may evolve a new engine, one that will use fuel more economically and efficiently
Summary
Picryl description: Public domain image of an industrial equipment, workshop, assembly line, factory, power engine, 19th-20th century, free to use, no copyright restrictions.
Glass negatives of cars and trucks of 1910-1930
Tags
glass negatives
government
expert
government expert
broadcasts
automobile
automotive
section
automotive section
bureau
standards
anti knock
proportion
anti knock proportion
fuel
aircraft
engines
aircraft engines
scientist
signals
radio
station
studies
use fuel
united states history
workers
industrial history
library of congress
Date
01/01/1930
Contributors
Harris & Ewing, photographer
in collections
Location
Source
Library of Congress
Link
Copyright info
No known restrictions on publication.