Prof. Chas. F. Marvin, Chief of U.S. Weather Bureau, with recording mercurial barograph, an instrument made and perfected by the bureau under his supervision, measuring on a magnified scale the fluctuations in the pressure of the air
Summary
Public domain photograph of people in office, interior, the 1910s-1920s America, free to use, no copyright restrictions image - Picryl description
Tags
glass negatives
prof
chas
marvin
chief
weather
bureau
weather bureau
barograph
instrument
supervision
scale
fluctuations
pressure
air
us weather bureau
charles
educator
professor
united states history
library of congress
Date
01/01/1924
Contributors
Harris & Ewing, photographer
Location
Source
Library of Congress
Link
Copyright info
No known restrictions on publication.