Waiting to Inhale: 1942 July 1942. "Hoffman Island, merchant marine training center off Staten Island, New York. Class in artificial respiration." Acetate negative by John Vachon.

Waiting to Inhale: 1942 July 1942. "Hoffman Island, merchant marine training center off Staten Island, New York. Class in artificial respiration." Acetate negative by John Vachon.