Inside Out Library · Explore

Scientific American, Vol. 73, No. 12 (1895) (1895)

leaf 4

An illustration from Scientific American, Vol. 73, No. 12 (1895), 1895, leaf 4
from the under side of the striking plate, trary, the green wood of such trees as are poor in oil than a pair of sculls, or even a canoe paddle. The and connected therewith by a ball joint, as shown in conducts electricity relatively well. Living wood is a much better conductorthan dead. The… … A FOLDING INVALID CHAIR, gear in mesh with a pinion on a short shaft whose other end has This very simple form of chair, to a bevel gear connection with a shaft extending up facilitate carrying invalids in upright position from one circumstances where a boat has to be handled ina and back at one…

Internet Archive · Public domain (published before 1931). Free to use for anything.

More pictures from Scientific American, Vol. 73, No. 12 (1895)

More like this