to burn soft or hard coal) of Philadelphia. It is designed to obviate the inconveniences coke, or wood. It is built of horizontal cast iron sections' met with in using other devices of a similar nature, and is Improved Blowpipe, placed one above the other in any required number. very simple in its… … brass case. These paper dials are changed every There is no question that a boiler built on BOSLEY'S PATENT STEAM HEATER. day, and can be filed away for reference if re- this principle would sustain more than all the quired. With the slate dial, all that is necessary is to wipe caoutchouc cork…
Patents · Iron · Attached · Consists · Scientific American · Water · India rubber · Exhaust steam · Nitrous oxide · Rapid transit · Feed water · Post office · Sewing machine · Steam engine · Soft iron
Internet Archive · Public domain (published before 1931). Free to use for anything.
