Show INJURED WHILE LECTURING Prof Patty Hurt While Making a Demonstration of Liquid Air Ottawa Kant Dec 12Prof F W Patty a lecturer of Chicago met with an accident here while making a demon slratlon of liquid air before an audience In time operahouse Prof Patty was attempting at-tempting to demonstrate with a small cannon time explosive power obtained from liquid air when the gun exploded His hands were burred and his hair singed He went on with the experiments but today is suffering from his burns |