Anybody know what this is ?
Its a tiny aluminium bottle
made out of purple pink anodised aluminium. It screws together but has no groove at the joint for a sealing “o” ring so it cant be airtight. The top seems to be precisely machined into some sort of coupling. The machining on the inside is quite rough (except for the threading) and there is only a tiny hole from the hollow neck into the interior cavity.
Gday, at first I thought it was a special smoking device, but my girlfriend informs me it’s a keyring holder for a CPR mask… Not quite as exciting.
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