Pleasure with profit — William Leybourn, R. Sault | Cutter Number
Leybourn's Dialling improv'd. Or, the whole art perform'd, I. geometrically ... II. arithmetically ... Also, how to describe all necessary furniture for sun-dials ... With reflective dialling ... To which is now added, instrumental dialling ... and likewise mechanick dialling ... with the manner of ordering oyl and colours for painting sun-dials. Concluding with tables ...
![Tapa de The description and use of ... Gunter's quadrant ... To which is added, the use of Nepiar's [sic] bones in multiplication, division, and extraction of roots ...](/_next/image?url=https%3A%2F%2Fcovers.openlibrary.org%2Fb%2Fid%2F12998063-M.jpg&w=3840&q=75)