MECCANO PART NUMBER - 23a

Pulley ½" dia.

UK Drawing/Job No. 89 - (Fast Pulley)

Drawing Date - 10/10/1921
The following revisions are noted on the drawing:-
Issue 4 - 10/06/1937
Issue 5 - 09/08/1945
Issue 6 - 04/12/1945
Issue 7 - 21/08/1951
Issue 8 - 08/02/1954
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UK 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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