ORDINARY GRAPNEL (Photo A); SLIDING PRONG CENTIPEDE (Photo B); COLE'S CENTIPEDE (Photo D); CLAUDE JOHNSON'S RENEWABLE SECTION GRAPNEL (Photo E)
Submarine Appliances And Their Uses - 1911
Kabler
Illustrationer
ROCK GRAPNELS (Photos F and G); MURPHY PATENT GRAPNELS (Photo H); RENNIE'S PATENT GRAPNEL (Photo I); MUD GRAPNELS (Photo J)
Submarine Appliances And Their Uses - 1911
Photo R; Photo S
Submarine Appliances And Their Uses - 1911
Photo T; Photo U
Submarine Appliances And Their Uses - 1911
Electrically operated Bell with Cable Connections
Submarine Appliances And Their Uses - 1911
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