Edwin Wiswall, Inventor 1902

In the August 28,1902 edition of the Lawrenceville Republican was a short paragraph stating that "Edwin Wiswall of Petty returned from Indianapolis Saturday where he was getting a model of an adding machine he has invented and patented. " Researchers found the actual patent #07703330-A for this machine which was dated June 24, 1902 and witnessed by Daniel Leach and Charles McOrr.

Perpective view of Exterior case and keyboard- 10" long, 8" wide and 4" deep