Mystery item

[NDL_Diver]

Anybody able to tell me what the heck this piece of flotsam is?

View attachment 441367

It as a flanged tube welded on each pole that connects to the hollow interior:

View attachment 441368

Horton Sphere for storing LOX (liquid O2)?

 

[richmonddiver]

Judging by the engraved number 7, it is probably not from the US. Possibly from a company in the U.K. called Dero. They do custom metal fabrication.
Dero Fabrication Ltd. | Portfolio | Sheet Metal, Fabrication & Laser Cutting | Worcester | West Midlands

 

[El Graduado]

Judging by the engraved number 7, it is probably not from the US. Possibly from a company in the U.K. called Dero. They do custom metal fabrication

Excellent sleuthing! Just sent them an email and we will see what they say.

 

[Lorenzoid]

I'll guess a float. The kind that would be attached to a valve, like that in one's toilet--only for a lot larger tank.

 

[KathyV]

Excellent sleuthing! Just sent them an email and we will see what they say.

I'm curious, let us know what you find out about it!

 

[JamesBon92007]

The part of the Arrecifes II Dus that was keeping it afloat?