BAIRD &TATLOCK (LONDON) LTD. 



4693 4694 



4693 Apparatus for the estimation of nitrogen tetroxide, complete as figured 



4694 Apparatus for the determination of sulphur in illuminating gas 



2 15 

 300 



4697 



_,. 4698 4699 



4697 Hempel's Gas Analysis Apparatus for determination of sulphur, complete on wooden 



stand, but without bulb holder . . . . . . . . . . . . ..1100 



(See Hempel's-" Gas Analysis," 1902 Edition, p. 306, English Translation.) 



4698 Sulphur Determination, Corleis' flask, 750 cubic centimetres . . . . . . 086 



4699 Sarnstrom's Flask, for the analysis of iron . . . . 



16 



CROSS STREET HATTOTST GARDEN, E-C 



850 



