BAIRD &TATLOCK (LOM)ON) LTD. 



2866 



2866 T Furnace, Combustion, consisting of a light wrought iron frame work onwhich is supported 

 a central long tube burner, and each side there are two spreader burners, all of which 

 are removable and adjustable. The upper portion containing combustion tube, is covered 

 by angular wrought iron covers, with mica windows. The length overall is approximately 

 3 feet. Complete with iron stand and cross bar, with copper hooks for supporting glass 

 vessels attached to combustion tube 



2 15 6 



2868 



The engraving shows the furnace open 

 ready for the introduction of a tube. 



Furnaces for Heating Tubes, No. i pattern. 



This will heat an iron tube of | to I in. diameter to its softening point in ten minutes, using a small foot blower ; 

 I or it will heat the same tube to redness without a blast, the same burner being applicable for either draught or 

 blast. 



To use a draught furnace, connect the tap (A) with the gas supply, closing both the other taps. 



As a blast furnace, connect (B) to a second gas supply full J-in. bore and connect (c) to a foot blower. When 

 the blast is applied the tap (A) must be closed and the gas supplied only from (B). In the pattern with adjustable 

 length of flame, at the side of (A) is a screw plug which adjusts the area of the gas jet without affecting the pressure 

 of gas. The gas supply when used without a foot blower must be adjusted by this plug only and not with the tap, 

 which must be full on. This plug adjusts the gas supply for varying lengths of flame, the length of the flame being 

 altered by a sliding plug in the tube. On the end of the rod carrying the sliding plug is a tap which can be con- 

 nected to an air supply for the purpose of cooling the part of the tube not exposed to the flame, preventing the heat 

 spreading too rapidly by conduction. 



The above can be used with air gas or coal gas. 



12 18 24 in. 



2868 For draught or blast, with adjustable flame length . . 40/- 42/- 50/- 



2869 As above, without adjustable length of flame . . 35/- 37/6 40/- 



2870 With fixed length of flame, without blast . . . . 25/- 30/- 34/- 



2871 Extra fireclay blocks, 6 in. long 



The foot blower No. 3, Fig. 2025, is the best for this furnace. 





each 1 2 



