Mechanical massage : Barker vibrators, the world's standard : Barker hair driers / [James Barker].

Catalogue of Barker's vibration therapy machines. They were said to help cure asthma, pulmonary tuberculosis, tonsilitis, pharyngitis, nasal catarrh, affections of the larynx, bronchitis, thoracid myalgia, intercostal neuralgia, digestive disorders, constipation, haemorrhoids, dyspepsia, jaundice, hepatic diseases, headache, sciatica, insomnia, lumbago, removing wrinkles, developing the bust and as an invigorator. The device and a selection of different heads are shown as well as a young woman happily using one.