View of an advertising card for the J.F. Hartz Co., depicting a man and boy with an axe and grindstone or grinding wheel. Printed on front: "The J.F. Hartz Co., surgical instruments and physicians' supplies. No. 825 Pat. Sept. 24, 1901. Livermore & Knight Co., Providence, R.I., U.S.A. and London, England." Printed on back: "Sharpen the carving set to enhance the pleasure of serving the Thanksgiving turkey. We take pleasure in announcing that we do all kinds of grinding in our new building. Razors, surgical instruments, manicure scissors, shears, carving knives made better than new by the Hartz process of grinding. Sick room supplies. Call and see the modern articles we have to comfort your invalid and aged friends; also full line of presents for physicians. Fever thermometers, gold and silver thermometer cases, hypodermic syringes, steel tape measures, medicine cases, etc. etc. Full line of trusses and supporters. Separate Department for ladies. Lady attendant. The J.F. Hartz Co. 103 and 105 Miami Avenue, Detroit and Toronto. Formerly H.J. Milburn Co. Hang this up for matches."