6 boxed Twaddell hydrometers
- maker:
- Unknown and Twaddell, William
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Licence
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LicenseSet of six Twaddell's hydrometers in box (lacks thermometer)
Science Museum Group
© The Board of Trustees of the Science Museum
Set of six Twaddell's hydrometers in box (lacks thermometer), Germany
Made of glass with mercury weights and paper scales; case: probably deal with walnut veneer
Details
- Category:
- Experimental Chemistry
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- 1982-279
- Materials:
- glass, mercury, paper (fibre product), deal and walnut (wood)
- Measurements:
-
lengths 153 (2), 157 (2), 162, 163mm
- type:
- hydrometer
- credit:
- Wellcome Trust
