COST OF CORRUGATED STEEL 245 



The net cost of corrugated galvanized steel is found by adding .O5c. 

 per pound to the net cost of flat galvanized sheets. 



The standard card of extras used in 1903 is given below. These 

 extras are to be added to the net price of flat black or galvanized sheets 

 to obtain the cost. These extras are not subject to discount. 



CARD OF EXTRAS FOR BLACK OR GALVANIZED SHEETS. 



For corrugating O5c. per Ib. 



For painting with red oxide loc. " " 



For painting with Dixon's graphite 2oc. " " 



For painting with Goheen's carbonizing coating -3oc. " " 

 For all trimmings, etc., flashings, ridge caps, 



and louvres I . ooc. " " 



For flat sheets rolled from reworked muck bar . 5oc. " " 



For sheets rolled from iron scrap mixture 2$c. " " 



For arches 2$c. " " 



Black corrugated steel in 1903 is quoted about as follows, f. o. b, 

 Pittsburg: 



No. 16 to 18 inclusive 2.2C. per Ib. 



No. 20 to 22 inclusive 2 . 6c. " " 



No. 24 to 26 inclusive 2 . 7c. " " 



