q. 

 44 



BAIRD &TATLOCK (LONDON) LTD. 



1050 



1052 



1050 T Demonstration Ocular 



each 080 



Kimiitzky's (see Zeiiscfirift /. wissensch. Mihroskopie, vol. xiii., 1896, p. 145) indicates ,ny particular portion of 

 tlic image to which it is desired to draw particular attention. It consists of a pointer which may be moved by a 

 suitable lever. By this movement and the rotation of the eyepiece in the tube any point in the field may he 

 reached. 



1051' Erecting Prism 



each 18 



This fits over the eyepiece and erects the image produced in the compound microscope, thereby facilitating 

 on the stage of the microscope. 



REFLECTING CONDENSERS 

 For Dark Ground Illumination and Ultra-microscopic Observations. 



1052' Concentric Reflecting Condenser, Type A*, in sliding sleeve with centring collar each 

 1053 T Sleeve for the above 



(This is necessary in the case of those Stands only which are fitted with a swing out condenser of the old type. 

 \iti-r swinging the condenser out and opening the upper iris-diaphragm to its full extent the dark ground illumina- 

 tor to which the sleeve is firmlv attached is slipped in from below in the place of the condenser.) 



1054' Concentric Reflecting Condenser, Type B*, stage plate pattern 



200 

 1 



each 200 



1055 T Concentric Reflecting Condenser, Type AA*, large pattern, in sliding sleeve without 



centring collar . , . . . . . . . . . . . . each 200 



1056 T Funnel Stop .. .. .. .. .. .. .. .. 010 



1057 1 Ultra Condenser .. .. .. .. .. .. .. 6 10 



1058' Wood Base having mounted upon it a Lilliput arc lamp with condensing lens and adjustable 



microscope fitting . . . . . . . . . . each 2 15 



1059 T Lilliput Arc Lamp on stand and with condensing lens . . . . . . ,, 200 



1060 r no-volt Resistance for use with the Lilliput lamp .. .. .. .. 17 6 



106 1 1 220- volt , ,. ,. .. .. .. .. 176 



1062 T Nernst Lamp on Stand .. .. .. .. .. 17 



1063' Condensing Lens, 100 mm. diameter, on stand . . . . . . . . ,, 100 



* I f desired, these condensers may be made of quartz, the prices quoted being in that case subject to an increase 

 of 2 10 0. 



