BAIRD &TATLOCK (LOTsTDON) LTD. 



233* 



31 16 (Approximate full size sections and thickness of walls.) 



U16 Combustion Tubing, new Jena Glass, in length? cf about 1-2 metres. 



Nos. 7 to 1 1 . . . . . . . . per Ib. 



i to 3 



4 to 6A . . . . . . . . . . .*. 



1 10 

 025 

 2 1 



3117 



U17 Glass Discs, ground on one side, for gas jars, Nos. 3372, etc. 



Diameter . . 2 *\ 3 3 4 4i 5 

 Price .. 4d. 5d 6d. 7d. 8d. lOd. I/- 



Glass Covers, for beakers, etc. See Watch and Clock Glasses. 



6 



1/8 



q in. 

 4/- per doz. 



3118 



Ramsay's Divider, suitable for dividing tubes, scales, etc., any length up to i metre, 

 consisting of polished mahogany board with grooves for different sized tubes ; steel 

 meter scale, metal slide with steel pointer for marking, clamps, etc., as devised by Prof. 

 Sir William Ramsay, University College, London . . . . . . . . . . 3 17 6 



CHEMICAL AND SCIENTIFIC APPARATUS AND PURE CHEMICALS. 



