. St. Nicholas [serial] . d with screw-holes, as shown at C. The ear-plate at-tached to each uprightunder the bar, and towhich the stanchion-wires are fastened, ismade of one-inch tire-iron, and securelybolted to the wood, asshown at D. Fourturn-buckles and somestout wire form thestanchions, and thefloor-plates should bediagonally located so that they not only supportforward and backward but from side to side. PARALLEL BARS. The bars shown in Fig. 3 are of hickory,5 feet 6 inches long, and 2 inches in uprights that support them are of oak, ash,or other hard wood 2^ inches square a
. St. Nicholas [serial] . d with screw-holes, as shown at C. The ear-plate at-tached to each uprightunder the bar, and towhich the stanchion-wires are fastened, ismade of one-inch tire-iron, and securelybolted to the wood, asshown at D. Fourturn-buckles and somestout wire form thestanchions, and thefloor-plates should bediagonally located so that they not only supportforward and backward but from side to side. PARALLEL BARS. The bars shown in Fig. 3 are of hickory,5 feet 6 inches long, and 2 inches in uprights that support them are of oak, ash,or other hard wood 2^ inches square and 42inches long. The lower ends are let into bases ofheavy hard wood, 2 inches thick, 10 inches wide,and 3 feet 6 inches long. Square holes are cut. inthe middle of these bases, two feet apart, so thateight inches of wood beyond the holes at eachend act as a platform on which to screw thebracket-ends that form braces to the holes must be cut with a bit all the waythrough the bases and trimmed with a mortise-. F1G. 2. DETAILS OF FLOORHORIZONTAL BAR. THE PRACTICAL BOY. IOI5 chisel and mallet, taking care to make them veryaccurate, so there will be no play to the uprightswhen driven in the holes. The stepping-plankis of hardwood also, 12 inches wide, il/2 inches inthickness, and long enough to span the cross-planks, so the distance between uprights will be4 feet. Hollows are cut out in the top of eachupright with a compass-saw, and the sides slightlytapered to the edges of the U cuts, so as not tointerfere with the hands when acting on the the bars to the uprights with two slimscrews at each side driven through the uprightsand into the under sides of the bars, but do notdrive a screw or nail down through the bars into
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Keywords: ., bookauthordodgemar, bookcentury1800, bookdecade1870, bookyear1873