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Other titles:ROTHESAY MATERIAL [Alternative Title]
MINISTRY OF TECHNOLOGY COLLECTION [Allocated Series Title]
Summary: Tests of the "Highball" and "Upkeep" bouncing bombs.
Description: Vickers Highball (23/4/1943) Lancaster drops cylinder type bomb.
Vickers Highball (7/5/1943) Lancaster drops cylinder type bomb towards beach.
Vickers Upkeep & Highball (2/5/1943) As above but fall short of beach. Lancaster drops cylinder type bomb towards beach.
1 Upkeep (16/5/1943) 2-engined aircraft drops bomb on sea.
2 Mos. (16/5/1943) Lancaster drops cylinder type bomb towards beach.
2 Upkeep (16/5/1943) As Upkeep 1.