264 



CENTEAL SCIENTIFIC CO., CHICAGO, U. 8. A. 



No. 6309. 



No. 6310. 



6300. 

 6304. 



6305. 

 6308. 



6309. 

 6310. 



6311. 

 6312. 

 6313. 

 6314. 

 6315. 

 6316. 

 6317. 

 6318. 



FURNACES, CRUCIBLE, FOR GAS AND LIQUID FUELS 



FURNACE, Crucible, Braun's Improved No. 8, for gasoline or gas. Can be operated with 1% 

 inch Gary Gasoline Burner No. 2214A with a consumption of less than % gallon of gasoline per 

 hour or with Braun Blast Burner No. 2150, with a consumption of about 150 cubic feet per hour. 

 A removable shelf is provided for holding hot crucibles or covers. Capacity of furnace, 6 size 



F crucibles; shipping weight, 108 pounds $23.00 



FURNACE, Crucible, Case Melting No. 3, for use with gasoline or oil. The flame blow-in is 

 located so that the flame blows in on a tangent and does not hit the crucible until there is a 

 complete combustion. The hot gases circle around the crucible, thereby preventing loss by 

 cracking. Made in three sections; will take No. 7 plumbago crucible. Shipping weight, 50 



pounds. Without burner 7.50 



BURNER, Hydro-Carbon, for use with No. 6304, for gasoline 6.50 



GASOLINE TANK OUTFIT for No. 6304, see No. 2215. 



FURNACE, Crucible, Fletcher's No. 40, consisting of a crucible pot with lid and blowpipe 

 mounted on cast iron base. Operates on % inch supply of illuminating gas, using a 9A or 10A 

 Foot Blower No. 1374 or 1376. Gas consumption, about 10 cubic feet per hour. Diameter of 

 crucible pot, 4% inches; height of crucible pot, 5% inches; height of furnace over all, 6% 

 inches; inside dimensions of crucible space: diameter, 2% inches; depth, 2 l / 2 inches; capacity 

 of crucible, 10 ounces gold. Complete with one No. 00 clay crucible, but without blower 4.00 

 FURNACE, Crucible, Fletcher's No. 40A, same as No. 6308, but with injector burner. Can be 

 used with either coal, gasoline, or natural gas, requiring % inch supply pipe and consuming 24 

 cubic feet per hour. Requires No. 9A or 10A Foot Blower to furnish blast. Complete with 



No. 00 clay crucible, but without blower 4.50 



FURNACE, Crucible, Fletcher's No. 40B, same as No. 6308, but for kerosene. Requires a 9A or 



10A Foot Blower. Complete with No. 00 crucible, without foot blower 6.50 



Extra Parts for Furnaces Nos. 6308, 6309 and 6310. 



EXTRA FURNACE BODY 1.25 



EXTRA FURNACE COVER 60 



BURNER only of No. 6308 1.75 



BURNER only of No. 6309 2.25 



BURNER only of No. 6310 4.50 



STAND only for Nos. 6308, 6309 and 6310, without burner or furnace body 1.00 



PLUMBAGO CRUCIBLES, No. 00 each .65 



CLAY CRUCIBLES, No. 00 each .08 



