Wratten 



"M" Filters and "M" Plat 

 visual work and photomicl 



"M 5 Plates are sensitive to c 

 have extremely fine grain and ai 

 of giving great density and contr 

 are indispensable to the photomic 



Wratten " M " Filters are sup 



three different forms, 2 in. and 4 in 

 for Photomicrography to be usv 

 separate stand placed between th 

 and light source. Circular form 1 f 

 to fit Standard Substage ring. Circi) 

 1 - diameter for use in cell above 





./rrn 



Neutral Filters for moderating 

 intensity of the illumination. These 



the 

 be 



r 



supplied in gelatine or cemented for^h in 

 five densities. 



Density 1 Transmitting 1/1 Oth of incident light 



- T5 1/33 



-2 mt 



3 //1 000 



4 1/10, 



Full particulars and prices I 

 Sena 1 for booklet " Note: 

 of Wratten 'M' Filten 



Kodak Ltd. (Wratten 

 Kingsway, London 



( 596 





