Improvements in electro thermal garments for therapeutic purposes.
- Charles, Burton Robert
Public Domain Mark
About this work
[London?] : [Great Seal Patent Office?], 
Redhill : Printed for His Majesty's Stationery Office, by Love & Malcolmson, Ltd., 1910.
3 pages, 1 leaf of plates : 5 black and white illustrations ; 26 cm
Title from head of text.
"Burton Robert Charles, of Portland, Strate of Oregon, United States of America".
At head of title: No. 20,408 A.D. 1909.
"Date of application, 6th Sept., 1909 ... Accepted, 1st Sept., 1910."
Includes complete specification.