Inside Out Library · Explore
Orthographic and isometrical projection : development of surfaces and penetration of solids (1868)
Davidson, Ellis A · London : Cassell, Petter, and Galpin · leaf 72
•AIXXProjection · Mechanical drawing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
More pictures from Orthographic and isometrical projection : development of surfaces and penetration of solids
More like this