Images: _1_ _2_ _3_ _4_           TSB Entry:841
Approximate Date: 1947
Owner: Greg Basta
Notes: These were made in Pittsburgh, PA. by the Specialty Instrument and Machine Company and later models were distributed by the Harvey Miller Corporation. Double acting, bore and stroke are both 15/16". Boiler 3" X 6". Electrically heated by a 500 watt coiled rod, beneath the boiler.