portrait of man in diving helmet

19101940 3040 30s adult adults adventure adventures adventurous and at aviation bw black brave bravery bygone camera career careers caucasian cheerful close closeup courage courageous day daytime deep dive diver divers dives diving employee employees employment enclose enclosed enclosing enjoy enjoying enjoyment equipment era exterior face faces fashioned friendly happiness happy helmet helmets historical horizontal job jobs leisure lifestyle looking male males man men metal mid nostalgia nostalgic occupation occupations ocean oceanography old one only outdoor outdoors outside ovfirstset people person photograph portrait profession professions protect protecting protection protective recreation retro retrospective science sciences scientist scientists sea smile smiles smiling suit suits sunny technologies technology testimonial up vintage visuals white work working years young youthful