A late 20th Century 12-bolt helium helmet by Yokohama, numbered M7289
No VAT will be charged on the hammer price, but VA… Read more HISTORIC DIVING
A late 20th Century 12-bolt helium helmet by Yokohama, numbered M7289

Details
A late 20th Century 12-bolt helium helmet by Yokohama, numbered M7289
tinned, the bonnet with four plexiglass ports, two water inlet cocks, sprung safety catch, telephone port with attachment, re-breather assembly with protective fin and adjustable exhaust valve; the corselet with maker's plate, brass bands, the front with maker's stamp, twelve bolts with wing nuts and front weight pins; internal arrangement complete with telephone speaker, knock exhaust valve, air ducts to mouth, water deflectors to face plates and filter access. Overall measurements -- 17½in. (44.5cm.)
See illustration
Special notice
No VAT will be charged on the hammer price, but VAT at 17.5% will be added to the buyer's premium which is invoiced on a VAT inclusive basis. This lot is subject to Collection and Storage Charges.

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