Scientific American. 450 June 4, 1904. … ing apparatus for, E. H. Spear 761,016 LEAD PENCILS, COLORED PENCILS, SLATE Turnstiles, cash receiving, change giving, PENCILS, WRITING SLATES, INKS, STATIONERS and controlling apparatus for, E. H. Two Models RUBBER GOODS, RULERS, ARTISTS' COLORS. Spear 761,015 IS GUARANTEED Twisting head, G. A.…
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