ROPE 



33 



the figures given in the table. The circumference is given 

 to the nearest eighth of an inch. The number of feet in 

 a coil may vary from the figures given in the table. Nearly 

 all sizes are now put up in half coils also. The weight per 

 coil will vary with the number of feet and the quantity of 

 moisture contained in the rope. The weight of coils of new 

 rope of equal length as received from the factory may vary 

 as much as 15 per cent from the weights given in the table. 

 The actual weights and lengths may vary as much as 10 

 per cent, because of differences in hardness of twist and 

 moisture content. The figures for the breaking strength of 

 hemp are approximately three-fourths of the values given 

 for Manila. The safe loads are approximately one-sixth of 

 the breaking strengths. 



Information about Three-Strand Untarred Rope 



Care of rope. Keep rope in a dry place, do not leave it 

 out in the rain. If a rope gets wet, stretch it out straight 

 to dry. Do not let the ends become untwisted, but fasten 

 them in some way to prevent untwisting as soon as the rope 

 is obtained. A stiff and hard rope may be made very soft 

 and flexible by being boiled for a time in pure water. This 

 will of course remove some of the tar or other preservatives. 

 Cowboys treat their lasso ropes in this way. , 



