300 



A. DAIGGER & COMPANY, CHICAGO, U. S. A. 



4057 



4057 TRIANGLES, Hoskin's. These triangles are made from a special metallic 

 alloy of very high melting point, remarkable resistance to oxidation and 

 practically unaffected by ordinary acids; cost but one-sixteenth the price 

 of platinum and last longer in service. 



Type XA Chromium-nickel alloy. 

 Type XC Chromium-nickel-iron alloy. 



4057 (a) 



4057(c) 



4057(a) TRIANGLES, Fused Silica tubes on iron wire. 



Length of side, inches \ l / 2 2 2 l / 2 3 4 



Each $0.13 .13 .16 .20 .30 



4057(b) TRIANGLES, Fused Silica tubes on Nichrome wire. 



Length of side, inches l l / 2 2 2 l / 2 3 4 



Each $0.25 .25 .35 .40 .50 



4057(c) TRIANGLES, All Fused Silica. 



Length of side, inches l]/ 2 2 2*/ 2 3 4 



Each $0.75 .75 .90 1.00 1.25 



4057 (d) TRIANGLES, Pure nickel wire. 



Length of sides inside, ctm 468 



Each $0.20 .25 .30 



4057 (e) TRIANGLES, Platinum, see Nos. 3646-7. 



