pan, when the liquid being evapo- diameter at these points to prevent slipping. The rated has reached the desired density. A hollow float, place for suicides. Sixteen persons have been known upper end of the ladder is supported by a metal having a vent tube to allow for the expansion of the to have… … its downwardly extending arm and valve on the same BOSE'S EIBE ESCAPE LADDEB, outward, by which the outlet of the pan is uncovered, and the liquid is automatically discharged. In our il- in the engraving. The upper 6nds of the sides of the lustration, the float is shown resting on the bottom of…
Patented · Munn · Patents · Scientific American · Machine · Electric machine · Address munn · Sewing machine · Melville bell · Cast Iron · Machine buttonhole · Wrought iron · American supplement · Voltaic cell
Internet Archive · Public domain (published before 1931). Free to use for anything.
