An essay on the resolution of plain triangles, by common arithmetic: with a new and concise table, adapted to the purpose. By Hugh Worthington, jun.

London : printed by H. Goldney, for J. Buckland, in Pater-Noster-Row, M,DCC,LXXX. [1780]

[6],41,[1]p.,[2] leaves of plates ; 80.

ESTC T87715

Electronic reproduction. Farmington Hills, Mich. : Thomson Gale, 2003. (Eighteenth century collections online). Available via the World Wide Web. Access limited by licensing agreements.