Duchampian Sliding Screens Salesman Sample (or Moire Pattern Making Machine) early printing block 10 1/4" x 8"

10 1/4" x 8"

I presume is a signature of sorts--appearing also in other) but it has lead me nowhere

which are quite precious

but these are the first that I've found

with its terrific orange and dark blue banded Art Deco style decoration against green body

Duchampian Sliding Screens Salesman Sample (or Moire Pattern Making Machine) early printing block 10 1/4" x 8"Another example of a thing made for one purpose, but which, recontextualized, feels quite like an artwork, this one feeling very Duchampian to me, including for his ongoing interest in thresholds and portals (doors, windows, peepholes, glass, etc..) I believe it was made as a salesman sample for sliding screens, here with three screens, each with handles for sliding them in one direction or the other. They can all be slid, one by one, to one side or