Ken, I was looking at a 1102777 generator that a buddy had in his shop
and the date code was 3M4. Would that be 1954, Sol, 04?
At what point in time did GM use the Moses B. Cotsworth calendar, i.e.
the "International Fixed Calendar" with 13 months at 28 days each.?
Denny Graham
Born 1942, July 15 not July 01 in Sandwich, IL
Last edited by Denny Graham; 06/05/2018 1:44 PM.
