Improvements in apparatus for the electrotherapeutic treatment of the human body
Publisher: [Great Seal Patent Office?]
Published: 1930
Place of publication: [London?]
Language: eng
Subjects: Electric batteries; Electric Stimulation Therapy; Instrumentation; Massage
Notes: Title from head of text.

"Dundas Simpson, of 18, Ailsa Road, Westcliff-on-Sea, in the county of Essex."

Patent number at head of title: 326,918.

"Application date: Jan. 12, 1929. No. 1118 / 29. Complete left: July 1, 1929. Complete accepted: March 27, 1930."

Includes provisional and complete specifications.