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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.. 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-L261352129.jpg)
Lot - British deep sea diver's helmet by Siebe Gorman & Co., Ltd, Submarine Engineers, London, copper breast plate and bonnet with brass a..
Submarine Readiness Squadron 32 - Here in the #SubmarineCapitalOfTheWorld we wear many hats! What's your favorite submarine ball cap? #NationalHatDay #GrotonSubs #FromTheDepthsWeStrike #underseawarriors #submarines | Facebook
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In eastern CT, Electric Boat military contracts launch economic boom | Business | journalinquirer.com
![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-L261352115.jpg)