»Edison Electric Pen« and
»Edison Mimeograph Duplicator«, 1875
1) "Electric Pen", U.S. patent no. 180857 on August 8, 1876.
The 1st appliance equipped with an electric motor.
Absolutely scarce and highly desirable!
And: 2) "The Edison Mimeograph Duplicator".
A superb pioneer piece of the entire copying history!
Estimate: € 8,000/10,000
US$ 11,200/14,000
Reserve: € 6,750/US$ 9,450

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