Chicago Citation

Digges, Leonard, -approximately 1559. "Booke named Tectonicon, briefly shewing the exact measuring, and speedie reckoning all manner of land, squares, timber, stone, steeples, pillers, globes,." Book. 1634. Columbia Digital Library Collections [Columbia University Libraries]. Accessed 13 Nov 2019. https://dlc.library.columbia.edu/catalog/cul:g1jwstqk2s