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Details
A 6-bolt divng helmet by C.E. Heinke & Co. Ltd., number 404 (matching), circa mid-late 1950's
the spun brass bonnet with remains of tinning with cast face plate, left mounted spitcock, circular side ports with cast grills, weight hooks, air inlet with non retuen valve, securing pin, and adjustable exhaust valve; the cast bronze and tinned corselet embossed with makers name and number, weight hooks front and back and replacement 12-bolt straps; the interior with air vents and knock valve (old wears throughout) -- 19in. (48cm.) high
See illustration
the spun brass bonnet with remains of tinning with cast face plate, left mounted spitcock, circular side ports with cast grills, weight hooks, air inlet with non retuen valve, securing pin, and adjustable exhaust valve; the cast bronze and tinned corselet embossed with makers name and number, weight hooks front and back and replacement 12-bolt straps; the interior with air vents and knock valve (old wears throughout) -- 19in. (48cm.) high
See illustration