A577_2
Test run on Southampton water. Circa July 1937.
A577_1
Test run on Southampton water. Circa July 1937.
A577_2
Test run on Southampton water. Circa July 1937.
A577_1
Test run on Southampton water. Circa July 1937.
A577_2
Test run on Southampton water. Circa July 1937.
A577_1
Test run on Southampton water. Circa July 1937.