Unusual and Wonderful 19th Century Set of Miniature Geometric Solids in 19th Century Signed Dovetailed Box grocery store sign 8 full page drawings done

8 full page drawings done on one side only

on the back of the canvas

as if offering a clue

10 1/2 l x 6 1/2 d x 7 1/2 t

an old one

Unusual and Wonderful 19th Century Set of Miniature Geometric Solids in 19th Century Signed Dovetailed Box grocery store sign 8 full page drawings doneMy heart skipped a beat when my eyes landed on these, the likes of which I've never seen and what could make me happier than geometric solids in miniature form?! And in a lovely 19th century slide lid box with fat dovetailed joints to boot? Plus provenance: a slip enclosed indicating they came from the estate of Doctor of Philosophy Kurt Bonstedt, a consultant in technical chemistry, with two addresses listed for him in Germany. I have not counted all