Reducing and comparative slide rule, for Excise Officer
1821-1846
Head rod
1808-1815
Slide rule
1810-1820
Verie or Excise officer's slide rule
Slide rule, with two double-sided sliders, for Excise Officer
Excise slide rule
1836-1900
Ullage Slide Rule (dated 1780)
1780
Excise officer's slide rule in boxwood
Ham's Ullage rule
1880-1885
Excise officer's slide rule by W. Rix
1740-1746
Ullaging slide-rule
12" Ullage Slide Rule (c. 1870)
1845-1882
Excise officer's slide rule
Modified form of Revenue Verie slide rule
1860-1870
Proof Rule (c. 1840)
1840-1845
12" Proof Slide Rule (c. 1870)
1845-1882
Excise Officer's slide rule in boxwood
1801-1830
Slide rule (excise)
Nine inch Ullage and casting rule
1850-1860
Slide rule (excise)
Slide rule (excise)
Ham's proof rule
1855-1865
Ullage Slide Rule (c. 1820)
1820-1825
Excise slide rule of Verie type in boxwood (stock 91/2 in)
Excise officer's slide rule
1759-1769
Excise Officer's slide rule
Gauger's slide rule by Dring and Fage
1790-1800
Mechanical counter for fluid meters, 1881.
Gauger's slide rule
1835-1845