A boke named tectonicon [electronic resource] : Briefly shewinge the exacte measuring, and spedye reckonynge all maner of lande, squares, tymber, stone, steaples, pyllers, globes &c. Further, declaringe the perfecte makinge and large vse of the carpenters ruler, contayninge a quadrante geometricall, comprehendinge also the rare vse of the squire. And in thende a lytle treatise adioyned, openinge the composition and appliancie of an instrument called the profitable staffe, with other thinges pleasaunt and necesarye, most conducible for surueyers, landemeaters, jointers, carpenters, and masons. / Published by Leonarde Digges gentleman, in the yeare of our Lorde, 1556.