Dictionarium polygraphicum: or, The whole body of arts regularly digested ... adorned with proper sculptures, curiously engraven on more than fifty copper plates ..
An encyclopedia of the arts and trades compiled by the mathematics teacher John Barrow, published in London in 1735 for craftsmen, painters, and general readers, with more than fifty copper plates. The plates shown are line-engraved perspective demonstrations: numbered figures with lettered points, dotted projection rays, vanishing-point construction lines, and hatched cubes and planes, usable as geometric diagram stock.

























































