k^-^il 



RAIRD &TATLOCK (LONDON) LTD. 





972-973 



5B 



973 T Petrological Microscope Stand HIM (I.eitz). Specification on page No. 202 10 15 



Objective changing clutch with 3 adapters . . . . . . . . 15 



Achromatic objectives i*, 3, 6 . . . . . . . . . . 2130 



Eyepieces I. and III. with sliding eyelens and cross webs . . . . 0180 



Micrometer eyepiece II., No. 1028 .. .. .. .. .. 10 



Selenite film, red ist order, and mica film J wave length, both mounted . . 080 



Completely equipped microscope 



15 19 6 



974'. This microscope may also be fitted with a drop-over analyser for stauroscopic determinations 



extra 1 13 

 975 T Also with an eyepiece I. with Bertrand quartered quartz plate . . . . 1100 



1CHEMICAL AND SCIENTIFIC APPARATUS AND PURE CHEMICALS. 



203 



