BAIRD & TATLOCK (LONDON) LTD. 



2445 



2443 2444 2446 2447 



2443 Desiccators, Hempel's, with separate dish, iron tripod, and cover with knob. 



Diameter . . . . . . . . . . 4 5 6 in. 



Price .. .. .. 4/6 5/- 6/6 each. 



2444 Desiccators, Hempel's Vacuum, with separate dish, iron tripod, and cover with stopcock. 



4 

 7/6 



Diameter 

 Price 



5 

 9/6 



6 in. 

 10/6 each. 



2445 Diffusion Tube, 24 in. long, with porous septum 



each 



2446 Diffusion Bulb, of porous clay. This is the simplest and most convenient form yet intro- 



duced .. .. .. .. .. each 1 



2447 Digesters, iron enamelled inside, with handle. 



Capacity . . . . . . . . . . I it 2 gallons. 



Price 7/- 9/~- 11/6 each. 



2450 





2448 



I;, 



i 



1 



2451 



each 



2449 



2448 T Diamonds, glaziers' 

 2449 T Diamonds for writing on glass, best quality 

 2450 Pencils, for writing on glass, porcelain, etc. (red, yellow, blue, or green) each, 3d. ; perdoz. 





2451 Dermatograph Pencils, for writing on glass, etc. 

 Blue Leads 

 Red 



per box of 6 



15 

 4 

 2 





 1 

 1 



CROSS STREET HATTON GARDETST E-C 



