Public domain
New radio meteorograph developed for the U.S. Navy. Washington, D.C., June 9. The National Bureau of Standards has recently developed for the U.S. Navy Meteorological Service a new radio meteorograph. The new instrument (shown in the picture) is sent up on a 5-Foot balloon and is expected to replace
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineNew radio meteorograph developed for the U.S. Navy. Washington, D.C., June 9. The National Bureau of Standards has recently developed for the U.S. Navy Meteorological Service a new radio meteorograph.. 1937-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.