细节
An ornamental diving helmet
Constructed in spun tinned copper and brass, air intake valve, side valve, with twelve bolt brass collar clamp in four sections, three face plates (front removable) side ports with brass protectors and an Oriental "makers plaque" to front -- 16in. (41cm.) high
See illustration
Constructed in spun tinned copper and brass, air intake valve, side valve, with twelve bolt brass collar clamp in four sections, three face plates (front removable) side ports with brass protectors and an Oriental "makers plaque" to front -- 16in. (41cm.) high
See illustration