Popular science monthly . Fig. 1. The Foundation Fig. 2. The Mast Complete439 Fig. 3. Top of Platform 440 Popular Sciejirc Monthly. Above (Fig. 4l, is shown the general guy plan. At left (Fig. 5), is the method of joiningpipe sections and attaching upper guys. A good joint is made by butting the ends to-gether and bolting through a sleeve consisting of a 2-foot length of pipe just large enoughto slip on. The design as shown is flexible and additional sections of pipe may be added,if desired. At center (Fig. 6), is a view of the base block to hold pipe. At right(Fig. 7) is a side view of wood p
Popular science monthly . Fig. 1. The Foundation Fig. 2. The Mast Complete439 Fig. 3. Top of Platform 440 Popular Sciejirc Monthly. Above (Fig. 4l, is shown the general guy plan. At left (Fig. 5), is the method of joiningpipe sections and attaching upper guys. A good joint is made by butting the ends to-gether and bolting through a sleeve consisting of a 2-foot length of pipe just large enoughto slip on. The design as shown is flexible and additional sections of pipe may be added,if desired. At center (Fig. 6), is a view of the base block to hold pipe. At right(Fig. 7) is a side view of wood pole, showing platform and iron loop ing. Details of the iron collar areshown in Fig 3. This should be madeof i?8-inch by 2-inch strap iron. It hasa loop securely riveted on it, made ofthe same material, of such dimensionsas to pass a pipe 2 inches in outside di-ameter, hasten this collar securely tothe top of the timber with lag screws. Itis also to be drilled for securing the guycables. The platform on the mast is 2 feetsquare, supprjrted on two pieces of 2-inchby 6-incii, boltetl to the timber; thedetails are clearly shown
Size: 2054px × 1216px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1872
