A typed memorandum to Edison from George Stringfellow (head of operations at the Edison battery Company), Nov. 20, 1923, concerning the use of calendars to promote the company's products; Edison has then directed the memo to his son, Charles, asking his opinion on the matter; initialed in pen by Stringfello; Edison's comments in pencil, and initialed "TAE" twice; 11 x 8 1/2 in., in a frame.