Soldiers test a lifejacket, 1911

Soldiers test near Treptow a so-called emergency food'. The emergency food can be sewn into swimsuits and shall ensure the swimmers to stay afloat. The soldiers stand in the water

Restrictions Only for Canada and Curacao and United Kingdom and United States Of America

Afloat Ensure Sewn Shall Stay Swimmers Swimsuits Treptow

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