Spectacular Series of Dutch Submarines from 100 years ago
The originals are available in color now.
This series about Dutch submarines nearly a century ago (so far) consists of four parts:
Part-1: Submarines on exercise in 1928 in color:
Part-2: Torpedo tests in 1923 in color:
Part-3: Submarines in Indonesia in 1938 in color:
Part-4: In Amsterdam, Construction, Launch O-10 & Waterplane:
thanks to Subsim member Polundra!