Inside Out Library · Explore

Scientific American, Vol. 57, No. 6 (August 1887) (1887)

leaf 4

An illustration from Scientific American, Vol. 57, No. 6 (August 1887), 1887, leaf 4
overlap is secured upon the top beam of the fence, and in this City, Pa. The parts are so made that the platform- about a quarter of an inch, this being effected by turn- frame are journaled two pulleys, one in a horizontal supporting arms of the bracket may be adjusted to a ing the gas on or off… … HIGGINS' SCAFFOLD BBACKET. push bar sliding in parallel bearings on the bed plate, made with a cross head and connected by a slotted link a roof or to the upper or under side of a ladder. In to the cam of the lever. The tool is very powerful, and connection with a ladder the bracket may be used as…

Patented · Patents · Gas · Apparatus · Scientific American · Munn · Patent issued · Electrical lighting · Electric lighting · White pine · Years ago · Standard solution · Gold leaf · Ice cream · Thumb wheel

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

More pictures from Scientific American, Vol. 57, No. 6 (August 1887)

More like this