1821:
10 cc = ~2.82 Drachm, etc.
Citation: Reports from Committees, 1862
1881:
Where 1 US Gallon has 128 Fluid Ounces @231 Cu.In., 1 Fluid Ounce = 1.8046875 Cu.In. (53.3681 cc) and 0.554112554 Fluid Ounce = 1.0 Cu.In., and
where 1 Imperial Gallon has 160 Imperial Fluid Ounces @277.274 Cu.In., 1 Imperial Fluid Ounce = 1.7329625 Cu.In. (49.21 cc) and 0.577046532 Imperial Fluid Ounce = 1.0 Cu.In.
1 Cu.In. = 16.386176 cc, 30 cc = 1.056463445 Cu.In.
