The little gold mine. Conklin's handy manual of the mechanical arts and house plans .. (1889)
Conklin, [George W.] [from old catalog] · Chicago, Laird & Lee · leaf 397
given by the lines a b anda to r. Fig. 3, the diameter to be as full drawing requires,proceed as follows: First measure off the distance which isthe size of diameter wanted, from a to b; do the same froma to r, and from points thus obtained, which are c and b,draw the line d from c to b. Then from… … for; line ^from ^ to jr is miter line, ^ to jf is height of rise,and a to c^ base line, which is size oY diameter called for.The line ^ to «^ divided into half gives the point r where themiter line intersects., of a three-piece angle; r to « is height,« to r is base line, and r to r is miter line,…
Industrial arts · Workshop recipes · Architectural drawing
Internet Archive · Library of Congress · 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-233-142.webp)
