UK DRAWING/JOB NUMBER - 44

Gear Wheel 57 Teeth

Meccano Part No. 27a (Gear Wheel 1½" dia. 57 teeth)

Drawing Date - 08/07/1931
The following revisions are noted on the drawing:-
Issue 4 - 09/08/1945
Issue 5 - 21/08/1951
Issue 6 - 08/02/1954