paper. these numbers are joined. Counting the number of thod is employed, the index-finger of one hand being A Polish mathematician, named Procopovitch, has fingers above those which have been placed together, placed against the ring-finger of the other hand, as given his attention to this matter… … Fig. 5.—Multiplying 8 x 8, Fig. 6.—Multiplying 8 x 7. Fig. 4.—Multiplying 9 x 6. Fig. 9.—Multiplying 7 x 6. Fig. Fig. 7.—Multiplying 8 x 6, Fig. 11.—Multiplying 14 x 13. Fig. 12,—Multiplying 16 x 17. above those placed together, and including these, 6 tens and has invented a system which, for…
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![An illustration from Chirologia, or, The naturall language of the hand c [microform] : composed of the speaking motions, and discoursing gestures thereof : whereunto is added, Chironomia, or, The art of manual rhetoricke, consisting of the naturall expressions, digested by art in the hand ... : with types, or chyrograms, a long-wish'd for illustration of this argument (1644)](https://img.insideoutlibrary.com/img/200/ia-gu_chirologianat00gent-336-41.webp)
