Whirling hygrometer by Zeal, 1985. Mercury thermom

Made:
1985
maker:
G H Zeal Limited

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Whirling hygrometer by Zeal, 1985. Mercury thermometers mounted in hardwood frame 203mm long, with folding handle. Cat.No. 17873 RH, range -15 degree C to +40 degree C

Details

Category:
Meteorology
Object Number:
1985-745
credit:
G H Zeal Limited