| Churchill/MCRA 5 contains: |
| <-- See earlier |
| 23 |
'Sticky bomb' |
| 24 |
Fuse 233: improvements in or relating to bombs, shells and other missiles |
| 25 |
Switch no. 1 (Pull Switch) |
| 26 |
Switch no. 2 (Pressure Switch) |
| 27 |
Switch no. 3 (Release Switch) |
| 28 |
Air Pressure Switch |
| 29 |
Air Pressure Switch |
| 30 |
Switch no. 8 (A.P Switch) |
| 31 |
Switch no. 9 ('L' Delay) |
| 32 |
Projectiles, fuses, time-delay action mechanism |
| 33 |
Switch no. 9 ('L' Delay) |
| See later --> |
|
The Papers of Colonel R S Macrae
| Title |
Air Pressure Switch |
| Reference |
MCRA 5/28 |
| Covering Dates |
Sep 1941-Feb 1951 |
| Extent and Medium |
1 file |
|
| Content and context |
Notes and correspondence on Macrae's patent application on the switch (also known as the Aero Switch), designed to sabotage enemy aircraft by firing an explosive charge once a certain height was reached. |
| No further on-line information. |
|