Unsigned pencil drawing by Edison on a lightly lined 8.5 x 10.5 sheet, dated in another hand 1921. The drawing depicts some sort of heating or cooling apparatus, labeled by Edison witih several notations, including “In heating, close valve, open in cooling,” “Water and steam turned on 1/4 of a turn,” “Blow open … then close valve,” and more. In fair to good condition, with tears, chips, and losses to edges (not affecting drawing or notations; small internal tear touching one word), toning to sheet, and scattered soiling. Many of the faults could be matted out for presentation. R&R COA.
We use cookies on this site to improve your experience. By using this site, you accept our use of cookies. To learn more, please see our Privacy Policy.
