426 



Mr. R. G. Nichols on the Resistances 



© 

 © 



-4-3 

 © 



S3 

 o 



g 

 pq 



Breaking 



Weight 

 Calculated. 



lb. 

 2560 



3127 



4474 



4720 



5454 



5810 



c 



© 



g 



© 



m 



© 



e 

 © 



Li 



i 



© 



lb. 



2468 



3119 

 4339 

 5141 

 5147 

 6000 



es 

 o 



lb. 

 2188 



2972 



4204 



4985 



4845 



5685 



■+3 



O 



o 



S-, 



O 



lb. 



2748 



3224 

 4745 

 5405 

 5405 

 6525 



ii 



•3407 

 •3531 

 •3714 

 •3449 



•3850 

 •3832 



II 



•3920 

 •3336 

 •2473 

 •3725 

 •1832 

 •1916 



Width. 

 b. 



in. 

 1004 



•995 

 100 



•771 

 1-507 

 1-527 



Depth 



between Ribs 



d-2d v 



in. 

 •54 



100 



203 



1-03 



256 



251 



Total depth. 



* 



in. 

 2515 



3005 



3-997 



404 



404 



407 





Pattern No. 2, 

 3. 

 4. 

 5. 



» 7. 



