| Number | Name | Date | Kind |
|---|---|---|---|
| D51532 | Rauber | Nov 1917 | |
| D116253 | Van Doren et al. | Aug 1939 | |
| D123037 | Zimmermann | Oct 1940 | |
| D140523 | Svenson et al. | Mar 1945 | |
| 1065025 | Botts | Jun 1913 | |
| 2878754 | McMurry | Mar 1959 |
| Entry |
|---|
| Construction Methods, 7-1960, p. 234, "Cotta Split-Shaft Transmission". |