BAIRD &TXTLOCK (LONDON) LTD. 



2904 



2904 T Carr's Patent Crucible Furnace, two fires in one frame, specially designed for use in 

 Technical Schools, adapted to take Battersea assay crucibles, complete with solid firebrick 

 linings and flue pieces, as shown, but with bottom ash guards as " D " only . . . . 10 12 



2905 T Extra for two top ash guards as at C . . . . . . . . . . 10 



2906 T Spare Solid Linings with flue pieces . . each, 10/6 ; for the two linings 110 



2907 T Spare Firebars .... per set, 10/- ; for the two sets 100 



2908 T Carr's Specially Designed Dampers, as shown, to give a flue passage of 9 by 9 in. when 



fully open . . . . . . . . . . each, 7/6 ; for the two flues 015 



2909-2911 

 2909 s Meker Crucible Furnace, Type E, for extra high temperatures up to 1800 to 1850 C. 



(3272-3360 F.), adapted for compressed air. 



In this furnace the crucible (c), of special refractory clay, is mounted on a crucible support (B). This stands on 

 a fireclay ring (A), which also supports a cylinder (D). The flame from the burner rises up through the hole in the 

 ring (A) past the crucible and is then turned downwards between the outer wall of the cylinder (D) and the inside 

 of the furnace body. In the illustration a part of the cylinder (D) shown cut away in order to show the crucible. 



2910 s Size No. 2 E. Diameter of crucible 35 millimetres by height 60 millimetres . . . 10 2 



Extra crucibles with lids, 1/9 

 2911 s Size No. 5 E. Diameter of crucible 66 millimetres by height 120 millimetres .. .. 17 7 



Extra crucibles with lids, 6/9 

 For Foot Bellows and Air Pump see respective numbers in Catalogue. 



CHEMICAL AND SCIENTIFIC APPARATUS AND PURE CHEMICALS- 



