without friction, against the periphery of the disk bars are connected by a cross bar, and stretched from throughout its entire cycle. The top and bottom walls this to a shaft or roller mounted above the door or are also so arranged as to provide a snug fit along the window which is to be screened,… … movement described above. That is, the upper end of AN IMPROVED AWNING. attempt to run away before injury is done to the anl- the spindle describes a circle about the block while the upper and lower faces of the disk roll respectively a crank lying within easy reach of the operator, and along the…
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