Ota Evaporograph

Ota Evaporograph

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Description
An evaporograph (or atmograph) records the rate of evaporation of water from a piece of absorbent paper. This example was made in Japan and dates from 1944. The "H. Ota No. 529" inscription refers to an instrument firm in Tokyo that was established in 1943.
Ref: W. E. K. Middleton, Catalog of Meteorological Instruments in the National Museum of History and Technology (Washington, D.C., 1969), p. 77.
Location
Currently not on view
Object Name
evaporograph
date made
1944
maker
Ota Keiki Seisakusho
place made
Japan: Tōkyō, Tokyo
Measurements
overall: 7 1/2 in x 9 3/4 in x 7 1/2 in; 19.05 cm x 24.765 cm x 19.05 cm
ID Number
PH.316273
catalog number
316273
accession number
224564
See more items in
Medicine and Science: Physical Sciences
Data Source
National Museum of American History
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