1877-12-08: LEMPERT'S IMPROVED FAUCET AND PROFESSOR MAYER'S NEW INSTRUMENT FOR SHOWING THE ELONGATIONS OF METALS.
12/8/1877; LEMPERT'S IMPROVED FAUCET AND PROFESSOR MAYER'S NEW INSTRUMENT FOR SHOWING THE ELONGATIONS OF METALS.
1877-12-08: LEMPERT'S IMPROVED FAUCET AND PROFESSOR MAYER'S NEW INSTRUMENT FOR SHOWING THE ELONGATIONS OF METALS.
12/8/1877; LEMPERT'S IMPROVED FAUCET AND PROFESSOR MAYER'S NEW INSTRUMENT FOR SHOWING THE ELONGATIONS OF METALS.
