



BAIRD &TATLOCK (LONDON) LTD. 



3585-3586 



3588 



3585 Mercury Air Pump, for physiological work, etc., on stand, capacity of bulb about i litre, 



drawer for mercury, complete as illustrated 



3586 Mercury Air Pump, for physiological work, etc., similar to above, on stand, capacity of 



bulb about J litre, drawer for mercury, complete as illustrated 







3587 Mercury Air Pump, small pattern, with cylindrical bulb, capacity about 200 cubic 



centimetres, drying apparatus, etc., on stand, similar design to Nos. 3585-3586 



550 

 500 

 3 15 



3588 Friedrich's New Improved Mercury Pump, arranged to be started and kept in action by 



water pump, on polished mahogany stand, with indiarubber pressure-tubing, as illustrated 10 



CROSS STREET HATTOTST GARDEN, E-C 



674 



