1) Dime of 1792 
• (n.) A tenth; a tenth part; a tithe.
An old word for 'tenth'. A notation for decimal fractions was introduced for the first time in 1585 in a pamphlet called La Disme by Simon Stevin of Holland.
A frequently-used spelling of 'dime' in the 17th century.
Spelling of the word 'dime' on U.S. 1792 pattern pieces and name given the 10-cent coin authorized in the Mint Act of April 2, 1792. Probably pronounced like 'steam' or 'time.' The 's' is silent.
Disme noun [ Old French See Dime .] A tenth; a tenth part; a tithe. Ayliffe. 
a former coin of the U.S., equal to 10 cents, issued in 1792: early form of the dime.