UK DRAWING/JOB NUMBER - 73C

Special Coupling (Threaded)

Meccano Part No. 63c (Threaded Coupling)

Drawing Date - 27/07/1931
The following revisions are noted on the drawing:-
Issue 2 - 08/10/1921
Issue 3 - 14/11/1927
Issue 4 - 07/01/1937
Issue 5 - 16/07/1945
Issue 6 - 01/10/1953