| Number | Name | Date | Kind |
|---|---|---|---|
| D56212 | Ward | Aug 1920 | S |
| D100771 | Guild | Aug 1936 | S |
| D109639 | Gunn | May 1938 | S |
| D160766 | Booth | Nov 1950 | S |
| D175591 | Darr | Sep 1955 | S |
| D192939 | Blowers | May 1962 | S |
| D200494 | Bezark | Mar 1965 | S |
| D212306 | Minix | Sep 1968 | S |
| D213938 | Morris | Apr 1969 | S |
| D220187 | Moran et al. | Mar 1971 | S |
| 3947814 | Allen | Mar 1976 | A |
| D251727 | Erlacher et al. | May 1979 | S |
| 5437185 | Panzica | Aug 1995 | A |
| D440924 | Bartholomai | Apr 2001 | S |
| D473749 | Pascotti | Apr 2003 | S |
| Entry |
|---|
| J.C. Whitney & Co. catalog No. 454D, pp. 83 and 84, Tachometers 88-9233T 2″ Mini Tachometer and 12-3134P Stewart-Warner Mech. Tachometer. |