Tageslight-Messungen in Schulen : Vorläufige Mitteilung / von Hermann Cohn.

  • Cohn, Hermann, 1838-1906.
Date:
[1884]

Licence: Public Domain Mark

Credit: Tageslight-Messungen in Schulen : Vorläufige Mitteilung / von Hermann Cohn. Source: Wellcome Collection.

Provider: This material has been provided by UCL Library Services. The original may be consulted at UCL (University College London)

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