Science and art drawing : complete geometrical course ; consisting of plane and solid geometry, orthographic and isometric projection, projection of shadow's the principles of map projection, graphic arithmetic and graphic statics (1895)
Spanton, J. Humphrey (John Humphrey) · London : Macmillan · leaf 84
erect perpendicular to AB cutting the arc in D. Join AD.Make the angle DAE equal to DAC. Then EA produced isthe tangent required. Problem 87. To clravj a given circle ivith radius egiial to line 1) to touch ticostraight lines forming a given angle ABC. … D Fig. 151. Bisect the angle ABC by the line BE. Draw the line FH 64 PRACTICAL PLANE GEOMETRY parallel to BA (Prob. 4), and at a distance equal to given line Dfrom it. Where FH intersects BE will be the centre of thecircle. From E draw the line EK perpendicular to BA. WithE as centre, and EK as…
Geometrical drawing
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Nicolai Copernici Torinensis De reuolutionibus orbium coelestium, libri VI : Habes in hoc opere iam recens nato, & aedito, studiose lector, motus stellarum, tam fixarum, quàm erraticarum, cum ex ueteribus, tum etiam ex recentibus obseruationibus restitutos: & nouis insuper ac admirabilibus hypothesibus ornatos. Habes etiam tabulas expeditissimas, ex quibus eosdem ad quoduis tempus quàm facillime caculare poteris. Igitur eme, lege, fruere. [Line in Greek] (1543)](https://img.insideoutlibrary.com/img/200/ia-nicolaicopernici00cope-349-240.webp)
