![DIVING HELMET, Siebe Gorman & Co. Submarine Engineers, early 20th century, copper and bronze, the collar with 12 bolts, serial number 4692. Miscellaneous - Technica & Nautica - Auctionet DIVING HELMET, Siebe Gorman & Co. Submarine Engineers, early 20th century, copper and bronze, the collar with 12 bolts, serial number 4692. Miscellaneous - Technica & Nautica - Auctionet](https://images.auctionet.com/thumbs/large_item_3024084_fb3c3111d1.jpg)
DIVING HELMET, Siebe Gorman & Co. Submarine Engineers, early 20th century, copper and bronze, the collar with 12 bolts, serial number 4692. Miscellaneous - Technica & Nautica - Auctionet
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DESCO 29134 Commercial Diving Helmet | Heavyweight Three Light Diving Helmet | Deep Sea Diving Helmets | Deep Sea Diving Equipment | DESCO Diving Equipment and Supply Company Milwaukee, Wisconsin
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Vintage Rare Antique Diving Helmet | Mark V Divers Diving Heavy Helmet | deep Sea Divers Anchor Engineering Helmet, Helmets - Amazon Canada
![Catalog - Page4 | Live Auction - Submarine & Underwater Armor Auction 2022-8917 by Nation's Attic Inc. | Bidsquare Catalog - Page4 | Live Auction - Submarine & Underwater Armor Auction 2022-8917 by Nation's Attic Inc. | Bidsquare](https://s1.img.bidsquare.com/item/l/1126/11266172.jpeg?t=1Nqclb)
Catalog - Page4 | Live Auction - Submarine & Underwater Armor Auction 2022-8917 by Nation's Attic Inc. | Bidsquare
![Lot - British deep sea diver's helmet by Siebe Gorman & Co., Ltd, Submarine Engineers, London, copper breast plate and bonnet with brass a.. Lot - British deep sea diver's helmet by Siebe Gorman & Co., Ltd, Submarine Engineers, London, copper breast plate and bonnet with brass a..](https://image.invaluable.com/housePhotos/auctionsappraisers/02/700002/H0150-L261352101.jpg)
Lot - British deep sea diver's helmet by Siebe Gorman & Co., Ltd, Submarine Engineers, London, copper breast plate and bonnet with brass a..
![Antique Siebe Gorman and Co Authentic Diving Helmet at 1stDibs | submarine helmet, old diver helmet, old diving helmet Antique Siebe Gorman and Co Authentic Diving Helmet at 1stDibs | submarine helmet, old diver helmet, old diving helmet](https://a.1stdibscdn.com/antique-siebe-gorman-co-authentic-diving-helmet-for-sale/f_24463/f_328778921676919631016/f_32877892_1676919631503_bg_processed.jpg?width=240)
Antique Siebe Gorman and Co Authentic Diving Helmet at 1stDibs | submarine helmet, old diver helmet, old diving helmet
![29103 Mark V Helium Diving Helmet | U.S. Navy Diving Helmets | Deep Sea Diving Equipment | Commercial Diving Gear | DESCO Diving Equipment and Supply Company Milwaukee, Wisconsin 29103 Mark V Helium Diving Helmet | U.S. Navy Diving Helmets | Deep Sea Diving Equipment | Commercial Diving Gear | DESCO Diving Equipment and Supply Company Milwaukee, Wisconsin](https://www.divedesco.com/Content/files/ProductImages/Mark_V_Plated_ws.jpg)