Serial Number Table Last Edited: 08/29/16 12:13
NOTE: dates shown are JAN 1 unless noted, so the serial number shown is the *first* serial number produced the given year. Exceptions are serial numbers preceded by "up to"(where you can assume that the numbers reported in that subsection are DECEMBER 31, END OF YEAR NUMBERS) or rows where a month is given in the month column. If the serial number is shown as a range (xxxx-xxxx) it indicates that we know the entire range of serial numbers for the given year.
Filed • Issued
|Invented by E. Prouty of Chicago, Ill., USA.||78|
|Models and s/n||Y||M||D||Remarks||Ref.|
||19xx||Circular index machine with type arranged in two rows on the periphery of the metal wheel, which revolves on a post. Below the typewheel is a cogged wheel, which engages with a pivotted gear attached to the indicator lever. Inking is by a ribbon wrapped around the typewheel. Later sold as the Champion||78|
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