Tectonicon.
Digges, Leonard, the Elder, —1571?
A boke named Tectonicon briefely shewynge the exacte measurynge, and speady reckenynge all maner lande, squared tymber, stone, steaples, pyllers, globes, &c. . . .
Imprynted at London by Thomas Gemini... . 1562. (32) ff.
Diagrams. Tables. Black-letter. 21 cm. **E5119.41
Same. [1592?] (2), 26 ff. No, 2 in **E.5119.14 The title-page is mutilated, and the spelling differs from that of the earlier edition.
& Public Library, February 15, 1926.
N2424 — Mensuration. — Tectonicon.
This card was printed at the Boston