Specification of William Clark : bath apparatus.
- Clark, William.
About this work
London : Great Seal Patent Office, 1866 (London : George E. Eyre and William Spottiswoode)
5 pages, 1 folded leaf of plates : illustrations ; 28 cm
At head of title: A.D. 1865, 25th October. No. 2749.
"William Clark, of 53, Chancery Lane, in the county of Middlesex, engineer and patent agent."
Patent for "hydro-therapeutic apparatus or shower baths" with jets projecting upwards "for the treatment of all maladies of the pelvis and those common to the female sex [and] for ladies' toilet purposes".