Hj Flak Helper Whistle Buy Now credited with service in the

credited with service in the European Theater of Operations

Jerram was posted to Dreel Castle

Accompanied by seven pages of research papers from the National Archives

son of Joseph Bouverie Hussey Tanner

Hj Flak Helper Whistle Buy Now credited with service in theHJ Flak Helper Whistle Black with wooden ball housed chamber, unmarked, 18 mm x 64 mm, on 390 mm nylon cord with loop at the end for suspension, light contact, very fine. Footnote: When the ball is present inside the chamber, it alternately blocks and unblocks part of the exit slot. This action produces a warbling alternation of tone that makes the whistle's sound more attention grabbing.