engraving shows the cabinet with these furnaces are now being employed in a manufac- one side removed so as to reveal the interior details. METALLIC PISTON PACKING. turing plant for hardening small, round pieces of car- The main frame of the cabinet is extensible laterally, The accompanying… … formed, with longer dovetailed tongues than the inter- A NEW ELECTRIC FURNACE. A FRESH-AIR CABINET.
Armor · Tobacco · Ferry · Concrete · Scientific American · Apparatus · American february · San Francisco · Gas engine · Lake erie · Reinforced concrete · Cubic feet · American supplement · Car ferry · Motor boat
Internet Archive · Public domain (published before 1931). Free to use for anything.
