BAIRD &. TATLOCKL (LONDON) LTD. 



3732 



3733-3734 



3736 



3732 Aspirator, simple form, made in copper, with 2 stopcocks and tubulure for thermometer. 



5 litres. 10 litres. 



140 1 10 



3733 Aspirator, double, Muencke's (Dingler's Polytechnickes Journal, 1884, 251, 219 ff.). 



Affords an uninterrupted exhaustion, by rotatoiy movement. Reservoirs of copper, 

 each holding about 5 litres 



3734 Aspirator, double, as above. Reservoirs of copper, each holding 10 litres 



3736 Aspirator, reversible, with double glass reservoirs, each graduated to 5 litres, mounted on 

 iron standards on polished mahoganv base 



3737 



3737 Photographic Dishes, shallow, white glazed. 



5 by 4 7 by 5 8 by 6 9 by 7 10 by 8 u by 9 in. 



9d. lid. I/- 1/3 1/6 21- each. 



12 by 10 13 by n 14 by n 16 by 12 18 by 14 20 by 16 in. 



2/6 3/3 4/6 7/- 9/6 16/- each. 



14- CROSS STREET HATTOTST GARDEN, E-C 



710 



