A Modern Difference Engine - Softwear Simulators for Charles Babbage's Difference Engine No. 2

by Donnelly, James

$40 · Offered by Bolerium Books

Corvallis OR: Armstrong Publishing Company, November 1992. Pamphlet. viii, 36p., numerous photographic and diagrammatic (b&w), professional presswork on good coated paperstock, neatly stapled into nice photo-decorated 6x8 inch glazed wraps, which are undamaged. Within, two pages bear light pencilling (probably clarifications) and, laid in, is a small leaf with similar..... More

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