Improvements in and connected with electro-therapeutic body belts
Publisher: [Great Seal Patent Office?]
Published: 1930
Place of publication: [London?]
Language: eng
Subjects: Belts (Clothing); Electric Stimulation Therapy; Instrumentation
Notes: Title from head of text.

"John Hutcheson Ballantyne, of 248, West George Street, Glasgow."

Patent number at head of title: 334,774.

"Application date: Nov. 2, 1929. No.33,347 / 29. Complete accepted: Sept.11, 1930."

At head of title: Complete specification.