ZOOLOGY AND BOTANY, MICROSCOPY, ETC. 



823 



devclopo a plaoto-micro-camcra wliicli would answer all the demands wliicli 

 might be made upon it I have designed the apiiaratus shown in fig. 227. 

 This is really a i>hoto-micro-camera complete within itself, and not a 

 Microscope and camera combined. I found early in my experience as a 

 photomicrographer that one instrument could not be made to do the work 



Fig. 227. 



of two, and that it was only possible to use photography as a real aid to 

 microscopical investigation by having photomicrographic apparatus which 

 in addition to being always ready, also possessed the quality of easy 

 adjustment to any and all kinds of work. The present design possesses 

 not only all these qualities, but it can also be furnished at a price quite 



Fig. 228. 



within the reach of any person really desiring such an aid to scientific 

 investigation. 



A reference to fig. 228 in conjunction with fig. 227 will show the novel 

 points. 



A in fig. 228 is the stage, B is a nose-piece which carries the objective 



