Arkivism
Civilian defense. War Emergency Radio Service. These three War Emergency Radio Service transmitter-receivers tuned to different wave lengths keep this Civilian Defense control center in touch with three different channels of communication. The set being operated maintains contact with state and city
Public domain

Civilian defense. War Emergency Radio Service. These three War Emergency Radio Service transmitter-receivers tuned to different wave lengths keep this Civilian Defense control center in touch with three different channels of communication. The set being operated maintains contact with state and city

United States. Office Of War Information · 1941-01-01 · photo, print, drawing

From the collection of Library of Congress. Free to download, adapt and use — no permission needed.

Subjects
safety film negativesunited states
Credit lineCivilian defense. War Emergency Radio Service. These three War Emergency Radio Service transmitter-receivers tuned to different wave lengths keep this Civilian Defense control center in touch with thr. 1941-01-01. United States. Office Of War Information. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
Open in Explore View at source

Similar works

NO CAPTIONNO CAPTION NO CAPTIONNO CAPTION Greenville, South Carolina. Air Service Command. Men of the 1067th signal company of the 25th service group, checking the calibration of an airborn radio transmitter. Left is Private Lester Mehlmen, of 1319 Carmen Street, Chicago, Illinois, and right, Private Charles Nasopust, 2222 South Hainsworth Greenville, South Carolina. Air Service Command. Men of the 1067th signal company of the 25th service group, checking the calibration of an airborn radio transmitter. Left is Private Lester Mehlmen, of 1319 Carmen Street, Chicago, Illinois, and right, Private Charles Nasopust, 2222 South Hainsworth Precise measurements. Washington, D.C. June 17. W.H. Goss, of the National Bureau of Standards, is shown making very precise measurements of the electrical conductance of standard solutions, which are the basis of industrial control of boiled water, steam condensates, beet sugar refining, metal cleaPrecise measurements. Washington, D.C. June 17. W.H. Goss, of the National Bureau of Standards, is shown making very precise measurements of the electrical conductance of standard solutions, which are the basis of industrial control of boiled water, steam condensates, beet sugar refining, metal clea Laurel, Maryland. Monitoring at the United States Federal Communications Commission listening postLaurel, Maryland. Monitoring at the United States Federal Communications Commission listening post This workman controls amounts of materials going into concrete used in construction of Shasta Dam. Shasta County, CaliforniaThis workman controls amounts of materials going into concrete used in construction of Shasta Dam. Shasta County, California