
Gilt customs and excise standard no 1 (Sikes) hydrometer by J J Hicks
1870-1930
1870-1930
1802
1830-1860
1927
1941
1901-1910
1816
1900-1970
1820-1855
1873
1860
1930-1970
1900-1910
1930-1970
1940-1950
1903-1938
1815-1825
1816-1873
1830
circa 1823
1900-1950
1930
1830
1900-1950
1830
1900-1950
1820-1920
1910
1870-1930
1896
1860-1870
1870-1940
1830-1850
1840-1940