TAL _ES 
TABLE 30. THE PROBABLE USEFUL LIFE OF VARIOUS 
ARTICLES (Continued) 
Description. Erooc Residual Authority. Remarks. 
Years 
Boilers (continued) 
steel breechings... . .... 10 Arnold 4 Chicago Appraisals. 
breechings and connections! 10-30 Trac. Val. Com. Chi. Con. Trac. Co. Case. 
Bonds yn 20 Trac. Val. Com. Chi. Con. Trac. Co. Case. 
20 Wis. R. R. Com Quoted by Henry Floy. 
Bridges 
Howetruss R.R.......... 10 Gillette Gt. Nor. & Nor. Pac. apprais. 
trestles and wooden bridges 10 Cal. R. R. Com Stockton Term.& East. Case. 
Buildings. . ...... esate. 025-50 Wis. R. R. Com Quoted by Henry Floy. 
50 St. Louis P.S. C Union Elec. L. & P. Case. 
50 Connette 3rd Ave. Case, N. Y. City. 
railroad station............ 10 Cal. R. R. Com Stockton Term. & East R. R. 
Case. 
raflroad, iv... dae 33% Gillette Gt. Nor. & N. Pac. Appraisal. 
Street railway............. 50 Cooley Milwaukee 3¢ Fare Case. 
street railway............. 50 Starrett Milwaukee 3¢ Fare Case. 
Street railway ............. 50 Stone & Webs. Chi. Union Trac. Co. Case. 
Street railway ............) 50 Chi. U. T. Co. Chi. Union Trac. Co. Case. 
street railway............. 35-75 Wis. R. R. Com Milwaukee 3¢ Fare Case. 
street railway power plants. 20 Chi. U. T. Co. Chi. Union Trac. Co. Case. 
street railway power plants 25 Cooley Milwaukee 3¢ Fare Case. 
street railway power plants 50 Stone & Webs. Chi. Union Trac. Co. Case. 
street railway power plants 60 Wis. R. R. Com Milwaukee 3¢ Fare Case. 
sab-station............ 00 50 0% Preece Report Bristol Corp., 1906. 
SUb-Station ...... co. vens 50 1% Cal. R. R. Com. Calistoga E. Co. vs. Napa 
Val. E. Co. 
wooden, wood frame.......| 20 P. G.& E. Co. 8S. PF. rate hearings, 1913-14. 
wooden. tu is he 25 Rosecrans Galena Appraisal, Kan., 1903. 
wooden frame.... ........ 50 Arbitrators Ata. St. Lgt. Contrvsy, 1899. 
frame dwellings..........., 35 Wis. R. R. Com Quoted by H. A Foster. 
frame stables and sheds... 20-23 Wis. R. R. Com Quoted by H. A. Foster. 
corrugated iron... ......... 20 P. G. & E. Co. Wooden frame and floor. 
corrugated iron............ 25 P.G.&B. Co. Wooden frame, conc. floor. 
corrugated iron... ........ 30 P.G.&E. Co. Steel frame, wood floor. 
corrugated iron........... 36 P. G. & E. Co. Steel frame, conc. floor. 
BRICK. Js eins sn ak a 14 Rosecrans Galena Appraisal, Kan., 1905. 
yt AR i 30 Williams Galena Appraisal, Kan., 1905. 
bricks... edd 30 Kiersted Galena Appraisal, Kan., 1903. 
BECK. cies ves Fa a Se Caen 30 Dodge Mt. Vernon W. W., I11., 1906. 
Riel... te a 30 P.G.&E Co. Corr. roof, steel roof, frame, 
conc. floor. 
DECK... uo evion aise sin 30 P. G. & E. Co. Wood r., wood r-f., wood f. 
in RR 36 P. G. & E. Co. Slate r., wood r-f., and floor. 
BRIE see sik dis a) P. G. & E. Co. Corr. r., steel r-f., conc. f. 
brick... 50 P.G.&E. Co. Slate r., steel r-f., conc. f. 
BrICk eet ne ens 50 P. G. & E. Co. Rein. conc. r., steel r-f.,conc. f. 
Briel. ee ea) 35 Burdick Mt. Vernon W. W., Ill., 1906. 
brick. ois 60 Hammond Jour. Inst. E. E., 1907. 
Brack. 663 Trac. Val. Com. Chi. Union Trac. Co. Case. 
VL ES. 8 | “% Preece Renort Bristol Corp., 1906. 
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