Opera d'abbaco /
Borghetti, Smiraldo.
In Venetia, MD XCIIII. : Appresso, Francesco Barileti.,
[1594]
Apparently first edition. Cf. Riccardi, v. 2, p. 199; cf. also Rara arithmetica, by D. E. Smith, p. 407.
The title page has the blind stamp of the Society of Accountants in Edinburgh. The Society's bookplate is also on the front pastedown. The title page also has the manuscript signature "Bernardini".
Vellum binding with evidence of leather tie straps. The author's name is written in blue ink in the upper left corner of the front board and the title proper is enscribed on the spine. Both the front and back boards have manuscript inscriptions of mathematical formulae and equations.
Arithmetic
Business mathematics