They didn't have CAD in 1959, so of course the schematic for this clock had to be drawn by hand with a T-square, template, triangles, etc. By using some shorthand notations and careful planning, I managed to fit it on three D-size (22 x 34") sheets.

Back in school, hand drafting (the only kind there was) wasn't my best subject, and I see that I'm not any better at it now.....




Or all three pages in a pdf: