Diving Helmet (Front)

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A front view of a diving helmet. A, Helmet; B, Breastplate; F, Emergency cock; G, Glasses in frame; H, Metal screws and bands; I, Metal tabs; J, Hooks for keeping weight ropes into position; and L, Eyes to which air pipe and life line are secured.




Encyclopaedia Britannica (11th ed., vol. 8) (New York, NY: The Encyclopaedia Britannica Company, 1910)


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