This is a card covered post bound album with a loose front, containing 45 photographs dry mounted.
The album features early submarine engines, including 'D' & 'E' classes. The album includes the following:
Bilbao workshops building Spanish submarine engines (5 photographs)
HMS Medway (1928) generator engines (4)
Chilean submarine engines (4)
Russian submarine engines (10)
Rover (1930) (Yard No. 655) engines
Thames (1932) (Yard No. 672) engines (3)
'L' class (1918) engines (5)