vor. IMPROVED STEAM HEATER. Patented May 10, 1870. ur engraving illustrates a watchman’s clock and time de- tector, invented and patented April 19, 1870, by Mr. D. Shive, for steam heaters. of Philadelphia. It is designed to obviate the inconveniences coke, or wood. It is built of horizontal cast… … 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 pressure which would be required in heating a building by either high or low…
Internet Archive · Public domain (published before 1931). Free to use for anything.
