Sterilizing

Paddington Street, from Baker Street, London

Sterilizing Bottles

Paddington Street, from Baker Street, London

Paddington Street, from Baker Street, London

Electrical Magnet appliances 1929

Dentists - Doctors - Inventors - Medicine - Science

Nurse sterilising in hospital, Rechts der Isar

Dairy industry - food and drink - employment and labour

Medical students with nose and mouth protection

Radiation - stzerilization - science