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Thornycroft designed Mark I depth charge throwers in the Thornycroft Basingstoke plant, with female workers. Taken around 1917 as the first depth charge throwers were tested around July 1917 but were ...

Photograph of two Thornycroft designed Mark V depth charge throwers, lightweight type, one with carrier and canister and one with carrier only. The Mark V depth charge thrower was put into service in ...

Photograph of a Thornycroft designed experimental 18 inch long range depth charge thrower which had a 300 yard range being fired on land, possibly at Woolston. The launcher is shown mounted on a ...

Photograph of a Thornycroft designed experimental 18 inch long range depth charge thrower which had a 300 yard range being fired on land, possibly at Woolston. The launcher is shown mounted on a ...

Photograph of a Thornycroft designed experimental 18 inch long range depth charge thrower which had a 300 yard range being fired on land, possibly at Woolston. The 18 inch long range depth charge ...

Photograph of a Thornycroft designed experimental 18 inch long range depth charge thrower which had a 300 yard range being fired on land, possibly at Woolston. The 18 inch long range depth charge ...