Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 227
842. Cups closed. … 843. SUBMARINE LAMP.—A strongiron case with convex lenses. An ordinarybright light from a lamp, with two hose con-nections, sling and guide lanyards. Onehose is to supply fresh air, while the othercarries off the gas of combustion. VanderWeyde model. A powerful electric arclight is a later model.…
Mechanical movements
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