[A booke named Tectonicon,] : briefly shewing the exact measuring, and spedie reckoning all maner of land, squares, timber, stone, steeples, pillers, globes, &c. Further, declaring the perfect making and large vse of the carpenters ruler, conteining a quadrant geometricall: comprehending also the rare vse of the squire. And in the end a little treatise adioyning, opening the composition and appliancie of an instrument, called the profitable staffe. With other things pleasant and necessarie, most conducible for surueyers, landmeaters, ioyners, carpenters, and masons. / Published by Leonard Digges Gentleman, in the yeare of our Lord, 1556.