226 



NKGKETTI AND ZAMBRA, UOLBOKN VIADUCT, E.C., 



FIG. 725. 



FIG. 736. 



Each. 

 s. d. 



Each 

 s. d. 



33 

 15 22 



20 



1 10 

 33 



728 Graphoscopes, see page 228 



729 Diagonal Print Machines, for viewing Prints, &c. . 



730 Cosmoramic Frames and Lenses . . . . 



731 Print or Map Lenses, various mountings and sizes, 



see page 222 



732 Cylindrical Magnifying Lenses, in Yulcanite mount- 



ings, 10s. 6d., 12s., 14s., 16s,, 21s., 25s., 30s., 35s. 2 



733 Cylindrical Mirrors, with 6 diagrams .... 



734 Mirrors, Conical, with 12 diagrams ..... 



735 Camera Lucida, Wollaston's (Chambre Claire}, for 



drawing in true perspective, in case (fig. 735) . 



736 Ditto ditto, best form with Shades, &c., (fig. 736) 



737 Portable Stand for ditto . 



738 Camera Lucida, for Microscope .... See Micro Section 



739 Beale's Neutral Tint Camera or Reflector, for ditto. See also 



740 Draughtsman's Camera Obscura (Chambre Noire), 



for sketching (fig. 740) ..... 21s. 



741 Ditto ditto improved Portable (fig. 741) . 



742 Cosmorama or Camera Obscura, for Gardens, r &c., 



fitted up to order (fig. 742) 



743 Prisms, Piano-Convex, in Brass mountings, with sliding 



adjustment ( fig. 743 ) for constructing Garden 

 Cameras (as fig. 742), of various dimensions and 

 foci . . . 38s., 45s. 2 10 5 10 



33 

 1 10 



1 15 



2 10 



55 



22 



1 15 220 

 660 



