Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 149
ouse Nemst Screw It is an inert gas and conducts the heat Burner with Globe Removed, c x\ \ n j. j. n ii t ii Showing Glower and ^^^ ^^ ballast to the walls of the Tubular Heater. bulb better than other gases which might be used. All of the parts enumerated, namely, glower, heater, cut-out, and… … — i ■ ^ ^—. ~r —J } ■ -^ X — ^ — t-.™, ^
Architecture · Building
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
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