Two glass citrometers

Made:
1820-1880
maker:
Ronchetti family

Two glass citrometers by Ronchetti.Weight probably lead, mercury weight, serial number 66. Paper scales. In mahogany box, also containing ivory slide-rule for temperature correction. No. 1 equals range 0 - 32 and No. 2 range equals 32 - 64.

Details

Category:
Experimental Chemistry
Object Number:
2005-444
type:
citrometers, hydrometer
credit:
Laboratory of the Government Chemist
status:
Permanent collection

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