Salesman Sample Mechanical Armature with Large Brass Ratcheting Gears (Partial) tiny wooden shelf I'm not sure the age

I'm not sure the age on these but they're definitely pretty old

Such a happy looking couple

It is in vintage excellent condition

Fabulous at the center of the dining table

more faintly

Salesman Sample Mechanical Armature with Large Brass Ratcheting Gears (Partial) tiny wooden shelf I'm not sure the ageI'm guessing this was a salesman sample for an industrial strength clothes ringer dryer or something along those lines, as I've seem a few with a similar sort of standing armature holding a rotating dowel at center, most of those with a crank arm on the side. Here, though, are these quite large sawtooth brass gears, which operate via ratcheting, and make the most completely satisfying sound as they do. As the gears turn so does that center dowel,