2291-2292 



229 1 1 Vacuum Distillation Apparatus, complete as figured, consisting of a heavy copper 



retort fitted with steam coil for heating, gauge and thermometer. Capacity 5 litres . . 20 



2292' Vacuum Distillation Apparatus, as above. Capacity 7 litres . . . . . . 23 



2293 2294 



2293 s Vacuum Evaporating Apparatus, consisting of porcelain basin with ground edge, 180 

 millimetres diameter, capacity ij litre, glass cover, with tubulure and ground rim, and 

 copper water bath with stopcock on stand 



2294 s Vacuum Evaporating Apparatus as above, but with condenser, gauge, collecting vessel, 

 and water pump, as figured 



2295 s Porcelain Basin, for above, with glass cover and distilling tube 



2 15 



5 10 

 1 1 



CROSS STREET HATTOTST GARDEN, E-C 



k-> . tA 



miam 



444 



