Note 57 — Elements of a Successful Machine
Reading edition
Its whereabouts was unknown as early as 1908, as stated in the Sewing Machine Times (Aug. 25, 1908), vol. 18, no. 418. Models of abandoned patents frequently remained at the Patent Office. Approximately 76,000 models were ruined in a Patent Office fire in 1877. In 1908 over 3000 models of abandoned patents were sold at auction. Either incident could account for the machine’s disappearance.