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Scientific American, Vol. 1, No. 20 (November 1859) (1859)

leaf 7

An illustration from Scientific American, Vol. 1, No. 20 (November 1859), 1859, leaf 7
I or I', it IMPROVED CAP AND LANTERN. The annexed cut represents a combination of cap and fills with water through pipes, b b, and the bell sinks. lantern adapted to the use of conductors, miners, brake- When the upper man-hole of the compartment, B, (to men and persons in many other occupations,… … disposed of as shown on the sketch ; and at the same Fig. 4 is a perspective view, and Fig. 2 represents a time the compartment, B, (to the right) can be emptied vertical section. A is the cap, the front part, a, being through the upper man-hole, its lower man hole being made of leather or similar…

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