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"Apparatus for electrotherapeutic treatment."
- Tscherkassoff, Nicolai
About this work
[London?] : [Great Seal Patent Office?], 1909.
London : Printed for His Majesty's Stationery Office, by Love & Malcolmson, Ltd., 1910.
3 pages, 1 leaf of plates : 4 black and white illustrations ; 26 cm
Title from head of text.
"Nicolai Tscherkassoff, of Ssadowaja-Ssamotetschnaja 254, Moscow, Russia, physician".
At head of title: No. 27,796 A.D. 1908.
"Date of application, 21st Dec., 1908 ... Accepted, 21st Dec. 1909."
Includes provisional and complete specifications.