Instructions of guide modification to welding Casing with permanent fittings Mark I assembled

Object Title

Instructions of guide modification to welding Casing with permanent fittings Mark I assembled

Instructions of guide modification to welding Casing with permanent fittings Mark I assembled

Date

04/11/1941

Reference

ENF 7/3/3 DD(E) 3060

Level

Item

Extent

1 drawing

Access Conditions

Open access

Reproduction Conditions

Crown Copyright