CAMERA AND PHOTOGRAPHIC APPLIANCES 31 



water heated, in which it may be dissolved and 

 then poured into the rest of bath. The sul- 

 phuric acid must be added quite slowly. If 

 you have no running water or drain, thus 

 necessitating the use of a pail, do not attempt 

 the employment of a wooden one. These 

 soon become foul and leaky. Get one of the 

 best quality of fiber pails; it will last for 

 years, always giving satisfaction. They are 

 light, never leak, and, if occasionally coated 

 with asphalt on the inside, are always clean 

 and pleasant to use. A couple of folding 

 racks for drying plates, a few stirring rods 

 and a scale for weighing, with some clean tow- 

 els conveniently hung by loops, will complete 

 the list of absolutely necessary dark-room 

 appliances, excepting the developers. 



A most important adjunct, truly, and one 

 about which pages might be written did space 

 permit. Since this is not, however, possible, 

 I must be brief to some extent. As a general 

 rule, I would advise every one who has had 

 some experience in photography, including the 

 development of his own plates, to use the par- 

 ticular developer with which he is already ac- 

 quainted, in his photo-micrographic work at 

 least until he has mastered it sufficiently to 

 permit experimentation with other agents, for 



