BAIRD &TATLOCK (LONDON) LTD. 



5810 r Polariscope with simple quartz wedge compensation and reduced scale of 0-35 Ventzke, 

 for direct reading of beet sugar percentages, without dust protector, with two glass tubes 

 of 200 millimetres, in wooden case .. .. .. .. .. .. 16 15 



5811 T Polariscope as above for 400 millimetre tubes, with two glass tubes of' 400 millimetres, 



in wooden case .. \. .. .. ".. .. .. .. 18 10 



Lamps for above extra, see Nos. 5855 to 5862. 



5812 



5812 T 



Polariscope, Schmidt & Haensch, with wedge compensation and Jellet-Cornu polariser, 

 with dust protector and illuminating mirror for scale, for direct reading of sugar in urine, 

 etc., with one each tubes 50, 100, and 200 millimetres. Price, on tripod base, with 



mahogany case 



18 18 



Lamp ior above extra, see Nos. 5855 to 5862. 



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