Table 24.Service records of creosoted ties treated by pressure treatments from 1872 to 1908. 



5,000 

 150,000 



6,000 

 70,100 



C.,R.I.,<tP... 

 C.R.R.ofN.J. 



C. R.R.ofN. J.. 



Omnd Central Yards 



L. V 



A C.L 



N. Y., N.H., &H.. 

 N.J.C 



>J.Y.,N.H.,&H., 



Sawed s.y. pine.. 

 Hewed s. y. iiine. 

 Sawed s. y. pine.. 

 Hewed s. y. pine. 



Sawed s. y. pine.. 

 Heweds.y. pine. . 

 Sawed s. y. pine.., 



Sawed tiipelo gum. . 



hhortlearpino. 

 LDng-lcafpino. 

 S-y-pine 



G,,H.,&S.A. 



N.Y., N. H.,<i:H.. 



A■, tV, &S.'^. 



Chicago, 111 



Bound Brook, N J . 



Midway, Mass.. 

 New York City. 



Fairhaven tun 



Central division., 

 Norfolk division.. 



Ponca, Okla.. 

 BUss, Okla... 

 Parry, Okla.. 



Marceline, Mo. . 



Paupi, Mo 



sticialf.'Mo.""!!!!!! 



....do 



Salix, La 



Lafayette and Scott.. 



Fairhaven tunnel 



Ottowa cut-off 



Hutchinson, Kans. , 



do 



riesa, Kans 



Union Point, Ga , , . 



Barrett, Ga 



Sheridan, Wyo 



Scio, Ohio 



East of Greenwich. 

 Fairhaven tunnel . . 



Panics, Ark 



Summer, Wash.... 



Lines east 



Results of Inspeetic 



'N. L. T.=-Notlesathan. 



Cause of removal. 



Rail-cut and decay 



!i for belie\'ing few ties still 



Rail-cut; not 

 fence post ii 



Relaid, 1900.. 



Start to fail in 1909 . 

 Start to fail in 1911.. 



i per cent decay; 3.2 v 



1.3 percent decay; 1.5 



Decay 



Rail-cut ..'.., 



Checked 



Broken 



Split., 



Data 

 obtained 



Probably similar to Silcock oil of 1890. (Sec discussion.) 



L04 1O1.10 



_ No record. 



i.676 



No record, 



1.024 ' 



N. L. T. 50 per centnaph- 



Liqnid at 100° P, 



Liquid at litO" F. 



NaplilliiileiifSfiper 



i Liquid al 100° F. 

 I N. M. T. i per 

 I cent at higli tem. 



r spGcificalioD. 



Naphthalene i 



!N. M. T.= 

 2h.—Servi 



lot more than. 3 Up to 240° C 



! records of creosoted telephone poles treated bij pressure treatments. 





Number 

 placed. 



9,975 

 7,644 



Location. 



Species. 



Date in- 

 spected. 



Service. 



Number 

 of poles 



spected. 



Decayed 

 to point 



struction. 



Total 

 poles 

 snowing 

 decay. 



Analysis of oil used. 



Date 

 placed. 



Average of— 



Distillation. 







SpeciBe 

 gravity. 









Upto— 







210° C. 



235* C. 



270- C. 316* C. 



1897 

 1S99 



Washington-Norfolk lino . . 

 Montgomery-New Orleans. . . 



Yellow pine... 

 do 



1914 



17 



1,696 

 1,558 



Per cent. 

 2.7 

 5.3 



8.7 

 32.4 



28 analysis 



38 analysis.... 



'S 



Per cent. 

 7 

 U 



Per cent. 

 52 

 GO 



Per cent. 

 75 

 78 



PeiceJtt. 

 84 

 84 





-to 22. 





























