A RARE TWO-BOLT COPPER AND BRASS DIVING HELMET, NO. 287, PROBABLY BY CHRISTIANSON, CIRCA 1900
tinned overall with hinged front face plate with wing nut, with twin adjustable exhaust valves, air inlet with sprung non-return valve, telephone port with blanking nut, front weight hooks, maker's plate indistinctly signed Nordisk Gumm... / København, brass stamp numbered 287, front and back weight studs, fitted internally with air ducts, telephone speaker and knock valves -- 20in. (51cm.); together with helmet stand, two-bolt rubber and canvas suit, boots and weights
(a lot)

Condition Report
The top quite dented and lacking much tin, valves appear to operate well and overall helmet presents in good original condition.

We are pleased to provide you with a general report of the condition of this property. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Charles Miller Ltd is merely a subjective, qualified opinion. Prospective buyers should also refer to any Important Notices regarding this sale, which are printed in the Sale Catalogue. NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING A LOT, ALL LOTS ARE OFFERED AND SOLD “AS IS” IN ACCORDANCE WITH THE CONDITIONS OF BUSINESS PRINTED IN THE SALE CATALOGUE.