← See also: OP-1064 — Computer Mark 1: Theory and Operation (1945) — the companion volume describing how the computer works.
Ordnance Pamphlet 1064A (18 July 1947) is the U.S. Navy maintenance manual for the Computer Mark 1 and Modifications — the analog fire control computer at the heart of the Gun Director Mark 37 system. This two-volume manual covers all maintenance test procedures, analysis of test errors, and overhaul instructions for keeping the computer in calibration aboard ship.
The complete publication spans 871 pages presented here in four PDF files: Volume 1 Part 1 (pp. 1–231, Parts One–Three), Volume 1 Part 2 (pp. 232–541, Part Four), Volume 2 Part 1 (pp. 542–697, Parts Five–Seven), and Volume 2 Part 2 (pp. 698–871, Parts Seven–Nine). Use the colored buttons at bottom-right to switch between files; use the Full Table of Contents to jump to any section.