. Agriculture; a text for the school and the farm . Kg 5*.—nuln Kaa: li^ More knots. under certain conditions may be impossible to untie underother conditions.^ 1. A most interesting little book on rope knotting andsplicing is one published by David McKay, Philadelphia. SOcents. A number of the drawings here shown are taken by per-mission of the ompany from this still more knots. 28 416 AGRICULTURE Principles of knot tying.—Certain principles apply tothe tying of all knots. The efficiency of the knot doesnot depend on the number of turns or hitches, but on theposition of the nip. The ben
. Agriculture; a text for the school and the farm . Kg 5*.—nuln Kaa: li^ More knots. under certain conditions may be impossible to untie underother conditions.^ 1. A most interesting little book on rope knotting andsplicing is one published by David McKay, Philadelphia. SOcents. A number of the drawings here shown are taken by per-mission of the ompany from this still more knots. 28 416 AGRICULTURE Principles of knot tying.—Certain principles apply tothe tying of all knots. The efficiency of the knot doesnot depend on the number of turns or hitches, but on theposition of the nip. The bend or hitch must be so formedthat the part of the rope tmder strain nips securely someportion of the knot, either against itself or the object towhich it is attached. The nip of each different knot shouldbe studied. Rope materials.—While a large part of our rope andcordage is made of hemp, many other materials are nowcoming to enter into their manufacture. The coil rope ismade from cocoanut fiber, which is used because it is solight and pliable. This rope is useful for warps, rocketlines, life-buoy lines, nets, etc. Manila grass is adapted tothe construction of coarse ropes and hawsers requiringgreat strength and hard wear, and where tar can not be usedon the rope. Strips of hides are used for ropes where great st/ engthand pliability with small diameter ar
Size: 1377px × 1814px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, booksubjectagriculture, bookyear
