Hydrometer, Sikes, brass
1801-1900
Hydrometer, Sikes, brass
1801-1900
Hydrometer, brass, in wooden case
1801-1895
Hydrometer, Sikes, brass
1801-1900
Clarke export hydrometer
1701-1800
Hydrometer, brass, in wooden case
1801-1900
Hydrometer, Sikes, brass
1801-1900
Hydrometer, brass, in wood case
1801-1900
Hydrometer, Richardson, brass
1801-1900
Hydrometer, Sikes, brass
1801-1900
Hydrometer, brass, in wooden case
1801-1900
Hydrometer, Sikes, brass
Hydrometer, Sikes, brass
1801-1900