Haldane apparatus, portable, glass, in wooden box, with facemask, mouthpiece and nose clip, by Aimer Products of London, from Middlesex Hospital, 1950-1960 Haldane apparatus 1950-1960
Mouthpiece for white porcelain tobacco pipe, German, 1851-1900. Mouthpiece for white porcelain tobacco pipe 1851-1900
Mouthpiece, ceramic, Great Western Railway, white ceramic mouthpiece, part of speaking tube from Royal Saloon. STEAM Audit Dec 2015 - mouthpiece is ivory not ceramic Ceramic mouthpiece, Great Western Railway