22. Babbage (Charles) On the Economy of Machinery and Manufactures, first edition , engraved title, advertisement f. at end, light spotting and finger-marking, damp-stain to lower fore-edge of title, later fly-leaves, original cloth, rebacked preserving original backstrip, [Goldsmith 27346; Kress C.3013; Einaudi 224], 8vo, Charles Knight, 1832.
est. £350 – £450