Image: Celsius original thermometer
Celsius_original_thermometer.gif (63 × 427 pixels, file size: 2 KB, MIME type: image/png)
Description: An original illustration of a Celsius thermometer by Anders Celsius himself, from one of his articles (Observations about two fixed degrees on a thermometer, 1742).
Title: Celsius original thermometer
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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