Distortion Correction in Electrical Circuits, Bell Telephone Laboratories Reprint B-342 (small monograph format) August 1928.
Bell Telephone Laboratories NY, Reprint of Paper published BSTJ July 1928, 97 pages, illus.
General microcomputer and Misc. manufacturers
Machine Vision.
Fairmont Press, Georgia, 1987, 208 pages, index, photographs, diagrams.