Winds Aloft are investigated by means of huge inflated balloons, such as this one, being blown up by Charles Brister of Cambridge of the staff of Boston's new weather forecasting center.
Digital Commonwealth — Boston Public Library

Winds Aloft are investigated by means of huge inflated balloons, such as this one, being blown up by Charles Brister of Cambridge of the staff of Boston's new weather forecasting center.

[ca. December 1940]

CC0 — Public Domain
Digital Commonwealth — Boston Public Library

[Information from item housing] Weather: Misc: Balloons

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