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Churchill/MCRA 5 contains:
<-- See earlier
22 'Sticky bomb': claim documents
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
See later -->
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The Papers of Colonel R S Macrae

Title Switch no. 3 (Release Switch)
Reference MCRA 5/27
Covering Dates Jan 1941-Jan 1947
Extent and Medium 1 file
Content and context

Correspondence and specifications on Macrae's patent claim for detonating or other devices for military land mines on removal of a load.

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