I think I've seen those -- 30¢ was too expensive at the time, but now they are really worth something!The image on the cover is hilarious. Those bikes (?) look supremely uncomfortable.
Amazed if even 1 survived, suggest it has some sort of indexing trick.The cover painting is a actually good likeness of the Velodyne bicycle in photograph on page 842 proudly made for Marcel BERTHET by Avions Caudron.Paleofuture...
Interesting that the NRA do their part!
Ha yes! :-)Short lived National Recovery Act and PopMechs signify their abiding by its regulations. (Eagles seem to go well with these three letter acronyms...)