THROBAC I + THROBAC - CIRCUIT OPERATION typescript carbons
$7,500 · Offered by Kuenzig Books
no place of publication stated : no publisher stated no date noted + April 9, 1953. Throbac I: 1 -5 pages. Throbac - Circuit Operation: 1 -7 pages + 1 plate leaf. 10 7/8 x 8 3/8 inches. Both are typescript carbons on thin paper, printed recto only. Paper clipped upper left. Includes small note: Thank you for lending this to us. However, our plans have changed & we are thus unable to build a super modern Throback. T R Baskhear . Cyanotype
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