Popular science monthly . FOURtYLDBAND 4-. GUY WIREEYEBOLTrOUR-tYLDBAND 4 BUTT-BLOCKSOAK GUY WIREEYEBOLT 7 AFTERDECK. Elevation and plan of the ice-yacht with dimensionsand parts named showing their relation to one another should be used, clearwhite pine being the first choice. Sprucehowever, makes a very good substitute, antlwhite cedar is also used to some , but it must be the clear white cedar of theNorth; southern cedar is less durable forthis purpose. The backbone is 25 ft. long,10 in. wide in the widest part and 4 throughout. The stern-end of thetimber is cut on a bevel a
Popular science monthly . FOURtYLDBAND 4-. GUY WIREEYEBOLTrOUR-tYLDBAND 4 BUTT-BLOCKSOAK GUY WIREEYEBOLT 7 AFTERDECK. Elevation and plan of the ice-yacht with dimensionsand parts named showing their relation to one another should be used, clearwhite pine being the first choice. Sprucehowever, makes a very good substitute, antlwhite cedar is also used to some , but it must be the clear white cedar of theNorth; southern cedar is less durable forthis purpose. The backbone is 25 ft. long,10 in. wide in the widest part and 4 throughout. The stern-end of thetimber is cut on a bevel as shown, whilethe forward end is finished witha 6-in. round taper. For the runner-plank, spruce2 in. thick should be used. Firstquality stock, free from knots orchecks must be used. A plank12 ft. long, 12 in. wide and 2in. thick will be the plank to 10 at the ends. The\ runner-plank is solidlyfastened to the\ underside of thebackbone witha ^-in. car-riage-bolt inthe center andtwo U-shapedstrap-bolts oneach side. In boltingthe runner tothe backboneit is very im-portant tofasten it at ab-solut
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1872
