

BAIRD &TATLOCK (LONDON) LTD. 



1110 T Zeiss' Compensating Oculars for use with Apochromatic Objectives, No. 1107. 



III employing nosepiece or sliding objective-changer, the length of the nosepiece, amounting 

 to 15 millimetres, and of the sliding objective-changer, 22 millimetres, must be taken into account. 



H 



1111 



1111 T Abbe Drawing Apparatus, large form, in case 

 1112' Abbe Drawing Apparatus, small form, in case 



300 

 1 10 



CHEMICAL AND SCIENTIFIC APPARATUS AND PURE CHEMICALS- 



