Uncommon book: Proceedings of a Symposium on Large-Scale Digital Calculating Machinery, Jointly Sponsored by The Navy Department Bureau of Ordnance and Harvard University at The Computation Laboratory, 7-10 January 1947. Cambridge, MA: Harvard University Press, 1948. Hardcover, 8.25 x 10.75, 302 pages. The book covers the eight sessions of the symposium, which discussed existing calculating machines; the logic of large-scale calculating machinery; storage devices; numerical methods and suggested problems for solution; sequencing, coding, and problem preparation; and input and output devices. Published in the volume are discussions of the work of Charles Babbage, the IBM Mark I calculator, the ENIAC, and other significant topics. In fine condition, with minor edgewear and rubbing to boards.