Outlines of astronomy
Outlines of Astronomy is a popular astronomy textbook by Sir John F. W. Herschel, published in London in 1858 by Longman, Brown, Green, Longmans, and Roberts for general readers. Its pictures are plain geometric line diagrams of ellipses, circles, cones and orbits, with lettered points and construction lines, offering a designer clean technical schematics to reuse.














