ELEMENTARY PHOTO-MICROGRAPHY. 73 



A graduated water jug. 

 A drying rack. 



Two or three large dishes for water, hypo, and 

 acid baths, used for bromide and platinotype 

 prints ; also one for toning if P.O. P. be used. 

 A hand magnifying glass. 

 Pins. 



Mounting paste. 

 Weights and scales. 

 Funnels. 



Print clips for suspending prints from a line 

 while drying. 



A dropping bottle for potassium bromide. 

 Six printing frames. 



A printing frame for making lantern slides. 

 Masks and mounts. 

 Cover slips for lantern slides. 

 A knife paper trimmer. 

 A retouching desk. 

 Towels and a sponge. 



The reader is advised to make his own de- 

 velopers. Chemicals of the kind and quantity 

 given will be found ample for a start : 



Alum 4 ozs. at 2d. Ib. 



Acetic acid . . . . 8 ozs. ad. oz. 



Citric acid . . . . 2 ozs. ,, ad. oz. 



Hydrokinone . . i oz. ,, lod. oz. 



Hydrochloric acid 5 ozs. id. oz. 



Methylated spirit 10 ozs. 6d. Ib. 



