Thornycroft Depth Charge Thrower Manual

Manual for the Thornycroft Mark II Depth Charge or Bomb Thrower

A 20 page bound manual for the Mark II Thornycroft Bomb Thrower for "D" Pattern Depth Charges, including description and spare part List dated September 1918 (with 1925 Addenda to page 5), marked secret & confidential.  Published by John I. Thornycroft & Co. Ltd. of Caxton House, London SW1 and printed by Vacher & Sons Ltd., Westminster House, SW1

Mark II manual cover and photo