Norwich, Connecticut: American Thermos Company, 1915. Illustrated letterhead for the American Thermos Company, featuring a rather fabulous 1908 illustration of the devil and what appears to be an anthropomorphized snowman holding thermoses with the caption "It is never too hot or too cold for the man with a thermos bottle". A letter to a Michigan hardware company has been typewritten below; the letter lacks the second or following page(s) with the signature. Measures 11" by 8.5". Early pencil check-mark to recto. Very good to near-fine. Letter folds, minor toning. Lacks second or following page(s).