Specification of John Henry Johnson : medicated and voltaic baths.

  • Johnson, John Henry.
Date:
1861
Catalogue details

Licence: Public Domain Mark

Credit: Specification of John Henry Johnson : medicated and voltaic baths. Source: Wellcome Collection.

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    2 A.D. 1861.—N° 567. Provisional Specification. Johnson’s Impts. in Apparatus for Administering Medicated and Voltaic JBaths. knob or handle held in the hand of the patient, completes the circuit. Suitable arm rests or supports are fitted inside the bath for supporting the arm or arms of the patient, and the usual well-known instruments may be employed for measuring or indicating the direction, intensity, and quantity of the electric current. 5 LONDON: Printed by George Edward Eyre and William Spottiswoode, Printers to the Queen's most Excellent Majesty. 1861.