Two glass citrometers by Ronchetti.Weight probably lead
- 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
- Materials:
- ivory, mahogany (wood), mercury and lead (metal)
- type:
- citrometers, hydrometer
- credit:
- Laboratory of the Government Chemist