LABOKATOKY AND TEACHING METHODS 



663 



the instructions given for the height of the stage and lamp, and the use of condenser 

 and diaphragm for each objective, are strictly adhered to: 



Table A 



Table B. — Magnifications 

 Of the Microsummars at Definite Distances from the Drawing Board 



Microsummar 



24 mm. 



35 mm. 



Distance from 

 drawing board 



Magnification 



42 mm. 



64 mm. 



80 mm. 



38.0 cm. 

 16. s cm. 

 45. o cm. 

 21. s cm. 

 46.0 cm. 

 24 . o cm. 



