BAIRD &TATLOCK (LONDON) LTD. 





1152' 



1153' 

 1154' 

 1155' 



1152 



Zeiss Binocular Magnifier for stereoscopic observation of small solid objects. Price, 

 with one of the following magnifications . . 

 Magnification 0.75, i, 2, 2.1, and 3 diameter. 

 Working distance 30, 22, 9, 7, and 5 cm. 

 Binocular field of view 14 by 10, n by 7, 6 by 4, 4.5 by 3, 3.5 by 2.5 cm. 



Illuminating Device for above . . 



Extra Lenses for either magnification per pair 



Dry Battery in leather case 



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1156 



SMALT. PROJECTION" Al'PAUA ITS 



(About | Full Size). 



(i) Arc Lamp ; (2) Conical Light-proof Connector between the lamp casing and the condenser ; (3) Tfiree- 

 lens Condenser ; (4) Lantern Slide Carrier ; (5) Projection Lens ; ((>) Diaphragm. 



1156' Zeiss Small Projection Apparatus for lantern slides, measuring 4$ by 3}, and smaller 

 sixes, with hand regulating 5 amps, arc lamp, suitable for continuous or alternating 

 current. For no volt, current 



1157' Zeiss Small Projection Apparatus for 220 volt, current 



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CROSS STREET HATTOTST GARDE1ST, E- C 



