6th Oct, 2021 13:00
Photographica
Clockwork Psychrometer/Hygrometer by Casella, London.
Clockwork Psychrometer/Hygrometer by Casella, London. For measuring the temperature and humidity levels. Clockwork motor can be heard running (last for around 10 minutes) but actual operation untested. Comes in fitted wooden box with copy of BSI test certificate dated 1980.
Sold for £25
Includes Buyer's Premium
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