BAIRD &.TATLOCK (LONDON) LTD. 



SECTION No. 20. 



Spectroscopes and Polariscopes. 



5733-5734 



5733 T Browning's Pocket Spectroscope, with plain slit, in case . . 



5734 1 Browning's Pocket Spectroscope, with adjustable slit, in case 



The above instruments will show many of Fraunhofer's lines, the bright lines of the metals and gases, 

 and the absorption bands in coloured gases, crystals, or liquids. 



156 

 1 13 



5735-5736 



5735 T Spectroscope, pocket, Schmidt & Haensch, with three prisms and plain slit, in case . . 140 

 5736 T Spectroscope, pocket, Schmidt & Haensch, with three prisms and adjustable slit, in case 1 10 



5737 



737 T Spectroscope, Schmidt & Haensch's, as above, with right-angled prism and reflecting 



mirror for showing two spectra in comparison, in case . . . . . . . . 250 



CHEMICAL AND SCIENTIFIC APPARATUS AND PURE CHEMICALS. 



1043 



