Royal Navy Medical and Surgical Handbook (1916) Machine Gun Training 1925 with features such as roads

with features such as roads and obstacles being visible through the glass

but the compass lid is engraved 'J

Dimensions: 155mm x 240mm

or been one of the very last of the Schmalcalder types to be made

Royal Navy Medical and Surgical Handbook (1916) Machine Gun Training 1925 with features such as roadsMEDICAL AND SURGICAL HANDBOOK For the Guidance of Officers in Command of those Vessels in His Majesty's Service in which no Medical Officer is Borne H. M. S. O., London, 1916 A very rare 1916 edition of Medical and Surgical Handbook for Officers in Command, a WW1 Admiralty manual. Issued to Captains of Royal Navy ships which did not have their own medical officer including vessels such as Torpedo Boats, Gun Boats and Submarines. The handbook includes