270. Apparatus and material for Chapter VII: 



Suitable projection room with screen ( 286); Lantern with 

 projection objective of large aperture and with suitable radiant 

 and condenser ( 275, 277, 279, 294-296); Suitable objects for 

 projection ( 285). 



FIG. 88. CAMERA FOR DRAWING LANDSCAPES. 

 (From the Catalogue of Queen & Co., 1880). 



The dark room is made of opaque cloth over a tripod. The 45 mirror at 

 the top rotates to take in any desired part of the surrounding country and an 

 objective projects the image down upon the horizontal drawing shelf. 



If there is to be combined projection, a tinted glass to make the 

 lantern-slide image as dim as the opaque image ( 282). 

 See also the outfit given in i, Ch. i. 



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