Nest Box Outside Laboratory

Nest Box Outside Laboratory
This photo shows the nest box of an Eastern House Wren. Thermocouple wires connected the nest with a recording potentiometer that Baldwin set up inside the laboratory. The larger box to the right of and below the next box provided shelter for a thermograph that recorded air temperature. | Date: ca. 1932 | Source: S. Prentiss Baldwin and S. Charles Kendeigh. Scientific Publications of the Cleveland Museum of Natural History, Vol. III: Physiology of the Temperature of Birds; Contribution No. 21 from The Baldwin Bird Research Laboratory, Gates Mills, Ohio. Cleveland: Cleveland Museum of Natural History, 1932. Smithsonian Libraries. www.biodiversitylibrary.org/item/122946#page/14/mode/1up.
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