BAIRD &TATLOCK (LOM)ON) LTD. 



1067' Huyghenian Eyepieces for Leitz's Microscopes 



each 050 



1068' Apochromatic Objectives for Leitz's Microscopes. 



* Although, considering its high aperture, this objective is very substantially mounted, yet it is advisable to 

 exercise the greatest care in its use so as to avoid the risk of forcing in the front lens. Should this nevertheless 

 occur we are prepared to remount the lens free of charge, provided it is otherwise undamaged. 



f With correction collar. 



1069' Compensating Eyepieces for Apochromatic Objectives No. 1068. 



Al069 T Compensating Eyepiece No. 4 or 6 with Micrometer 



1070 



each 1 1 



1070' Microsummars with Iris Diaphragm, F/4.5. Available for use on the microscope. 



Focal Length 

 Price 



42 mm. = ig in. 

 300 



35 mm. = ig in. 

 300 



24 mm. = i in. 

 300 



(CHEMICAL AND SCIENTIFIC APPARATUS AND PURE CHEMICALS. 



