Three Wave Machine made by Rudolph Koenig, Paris. If you turn on the handle, you see a wave movement of with with black paper. All three are different with the same measurements : 13,5 x 13,5 x 113 cm
1. A proper Signature on the handle, good working and you can cover a part of the wave with two slides ( not possible by the other two machines). Pictures 1 till 6.
2. this machine is sign on the mahogany turning handle but the
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