Charles Perry Mid Century Interlocking Brass "Ball Puzzle" plan for boat Lots embedded in this cyanotype

Lots embedded in this cyanotype rppc

This came from a big lot of drawings by a W

and Frankenstein-like nails right above the ears (wrapped with thread)

and wonderful portrait

Charles Perry Mid Century Interlocking Brass "Ball Puzzle" plan for boat Lots embedded in this cyanotypeThis "ball" puzzle, comprised of interlocking solid brass pieces, was designed in 1967 by Charles O. Perry (American 1929 2011), a sculptor and designer best known for monumental structures composed with mathemetical complexity. There is one "key" piece that spring locks into place to complete the puzzle, and will release once one finds it (a bit of trial and error but not hard) to allow one to take it apart. (I have not ventured to do so!) The first