Five red rubber vault caps, designed by Marie Stopes, with instructions, by BCM/Racial, London, post 1945 Five red rubber vault caps designed by Marie Stopes
Plastic vault cap, with instructions, supplied by the Mothers' Clinic, Preston, 1951 Plastic vault cap 1951
Rubber vault cap, by Lambert, English, 1920-1960 Rubber vault cap, by Lambert, English, 1920-1960 1930-1960