534 



NEGRETTI AND ZAMBRA, HOLBOBN VIADUCT, E.G., 



FIG. 3208. 



FIG. 3208*. 



3208 The Improved Developing Box is constructed for working the Wet or Dry 

 Collodion processes. To amateurs, especially, it offers many advantages over the 

 ordinary Dark Tent, which is weighty and cumbersome. Fig. 3208 shows the box 

 open, ready for use ; Fig. 3208* closed. The sides a a, open up and down, and are 

 kept in their position by two braces of wood inside. The hands enter at the sleeves 

 as shown at ft ft. Fig. 1, and the mask, c, which is of black cloth on a wire frame, is 

 set in the door, on top, under which is a plate of white glass to keep the vapour 

 of the collodion from the eyes, and a sliding door under the glass to shut out the 

 light when the face is withdrawn. The bath is let through the bottom at the left 

 hand corner. The yellow glass window is directly opposite the operator. It is 

 provided with a zinc or other kind of tray, with waste water pipe ; also a cistern, d, 

 of india-rubber, for water. Sufficient room will be found inside for the necessary 

 bottles, and a plate draining box. The size of this box when closed and capable of 

 manipulating a plate 8| by 6^ with freedom is 15 by 13 by 7. 



Prices according to size and arrangement of fittings, 4 10 to 6 6 



3209 Patent Automatic Changing Box. By means of this apparatus a sensitised 



plate can be transferred from the Plate Box to the Camera with great 

 facility, and without the possibility of its being affected by Light. 

 Price of Box to hold Twelve prepared Plates and Dark Slide. 



For Plates 



5 by 4 in. 

 6i by 4f in. 

 7 by 5 in. 



4 4 

 4 10 

 4 16 



1 For Plates 8 by 6 in. .550 

 10 by 8 in. . 660 



12 by 10 in. . 770 



Brass Binding above, for Tropical Service from 1. 



3210 Leather cases for holding Changing Box and Dark Slide from 1 each extra. 



3211 Micro-Photographic Camera, complete with Achromatic Lenses, 



for reducing pictures, &c. ... .... 10 10 



3212 Enlarging, Copying, or Solar Cameras Made to Order. 



