DU-4-FUN! c. 1920s Wooden Tangram Puzzle with Excellent Graphics and Design Booklet mosaic work set for the purpose of "silvering"

for the purpose of "silvering" pills: they would moisturize pills with acacia and then put them inside one of these

not a job for the faint of heart

but could be used for all sorts of things

The wear to the polychromed surface

marvelous rich honey color to the wood

DU-4-FUN! c. 1920s Wooden Tangram Puzzle with Excellent Graphics and Design Booklet mosaic work set for the purpose of "silvering"I've had a few old tangram puzzles over time, produced by various makers, and I'll continue to snap them up when I come across them, to my eye (and mind) great little design objects, particularly as whole package: box and booklet and puzzle itself. And this an especially fun one: DU 4 FUN, spelled out as if by pieces of the tangram. With 212 examples in lovely blue ink of possible forms to be composed using the blocks. I've turned up no reference for