


Specific gravity bottle

Specific Gravity Bottle, 1900-1960
1900-1960

Two Reghault specific gravity bottles

Specific gravity bottle with brass counterpoise weight

Specific gravity flask (c. 1830-40) with glass pipette
1830-1840

Specific gravity bottle

Specific Gravity Bottle, 1850-1900
1850-1900

Specific Gravity Bottle, 1900-1960
1900-1960

Specific gravity bottle in tin with counterweight
Specific Gravity Bottle with Metal Tin-Plate Case, 1840-1850
1840-1850