Improvements in electro-therapeutic apparatus
Publisher: [Great Seal Patent Office?]
Published: 1910
Place of publication: [London?]
Language: eng
Subjects: Electric Stimulation Therapy; Instrumentation
Notes: Title from head of text.

"Mark Gamble McElhinney, of number 109, Metcalfe Street, in the city of Ottawa, in the province of Ontario, in the dominion of Canada, dioctor of dentistry".

At head of title: No. 1883 A.D. 1910. Complete specification.

"Date of application, 25th Jan.1910. Accepted, 28th Apr., 1910."