Letters Patent For Funis Clamps Including A Working Example Of The Clamp And Papers Submitted To

by Charles E Ziegler

$450 · Offered by Bartleby's Books

Signed

Ottawa, Canada: Patent Office, 1938. Oblong paper wrappers, 36 x 22 cm., 1 , 1-13, 7 pp., plus one printed page of drawings some damping to bottom margin of the page , to accompany the specifications referred to in the text. Printed letter of patent, No. 373885, on front cover, signed ? by J.T. Mitchell, Commissioner of Patents for the Dominion of Canada. Typescript description of Dr. Ziegler's invention, printed rectos only, signed by Ziegler on the last

• Binding: Wrappers

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