Position of Le Gret to rifle, 1914.

Position of Le Gret to rifle, 1914.

Kit inspection at the Inns of Court OTC camp, 1914.

Kit inspection at the Inns of Court OTC camp, 1914.

A cadet of the Inns of Court OTC at Berkhamstead, 1914.

A cadet of the Inns of Court OTC at Berkhamstead, 1914.

Viewing correct aim through the Le Gret aim teacher, 1914.

Viewing correct aim through the Le Gret aim teacher, 1914.

Use of aim of corrector, 1914.

Use of aim of corrector, 1914.

Formation of Squad for Aiming Instruction, 1914.

Formation of Squad for Aiming Instruction, 1914.

Trench firing - AP side, 1914.

Trench firing – AP side, 1914.

Trench firing - Ready, 1914.

Trench firing – Ready, 1914.

Trench firing - Loading, 1914.

Trench firing – Loading, 1914.

Aiming Position - Standing Side, 1914.

Aiming Position – Standing Side, 1914.

Infantry in gas hoods, 1915 (c).

Infantry in gas hoods, 1915 (c).

Troops in training jumping over a trench, 1916 (c).

Troops in training jumping over a trench, 1916 (c).

Letter from Sgt Robert Black to his father, 31 May 1917.

Letter from Sgt Robert Black to his father, 31 May 1917.

British and Indian machine gunners, 1917.

British and Indian machine gunners, 1917.

Lt Rosser give M.G. instruction to Lt Silk.

Lt Rosser give M.G. instruction to Lt Silk.

Recruits in camp, October 1914.

Recruits in camp, October 1914.