A booke named Tectonicon : Briefly shewing the exact measuring, and speedie reckoning all manner of land, squares, timber, stone, steeples, pillers, globes, &c. Further, declaring the perfect making and large vse of the carpenters ruler, containing a quadrant geometricall: comprehending also the rare vse of the squire. And in the end a little treatise adioyning, opening the composition and appliancy of an instrument called the profitable staffe. With other things pleasant and necessary, most conducible for surueyers, land-meaters, ioyners, carpenters, and masons. Published by Leonard Digges Gentleman, in the yeere of our Lord, 1556.