Meccano Ltd. Engineering Drawings

MECCANO PART NUMBER - 25

Pinion ¾" dia. ¼" face, 25 teeth

Drawing Job No. 16 - (¾" Pinion)

Drawing Date - 10/07/1931
The following revisions are noted on the drawing:-
Issue 6 - 09/08/1945
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Drawing Job No. 69 - (Grub Screw - 5/32" Whitworth)

Drawing Date - 21/06/1928
The following revisions are noted on the drawing:-
Issue 3 - 26/10/1940
Issue 4 - 25/06/1945
Issue 5 - 17/08/1950
Issue 6 - 30/04/1951
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