242 



NEGRETTI AND ZAMBRA, HOLBORN VIADUCT, B.C., 



TELESCOPES. 



FIG. 817. 



POCKET TELESCOPES. 



Each. 

 s. d. 



813 Perspective Glasses, with mahogany or japanned body, 



and one, two, or three draws . . Is. 6d., 2s. 6d. 3 6 



814 Pocket Telescopes, two or three draws, with Achromatic 



object lens, Mahogany or Leather Covered body 



(figs. 814) 10 6 



815 Ditto ditto 



Each. 

 s. d. 



070 



12 6 

 with Sun Shade 15 16 



FIG. 8H. 



FIG. 819. 



FIG. 814. 



816 Achromatic Telescopes, with Leather Case and Sling 



Strap 150 1 10 



817 Achromatic Telescopes, with Screw and Jointed Clip 



for fixing to a tree or at side of Window, &c. 



(fig. 817) '21s. 150 1 10 



Ditto Ditto with Astronomical Power, in 

 a neat Mahogany Box 150 



818 Pocket Rifle Telescope, Achromatic, one draw, body 



covered with leather, with light sling, small, portable, 

 and very powerful, to show Bullet marks at 300 to 

 500 yards 1100 220 



819 Pocket Achromatic Telescope 



3 draws 24-inch, If -inch Object Lens (fig. 819) . 220 



820 Ditto, with Sun Shade 2 10 



821 Pocket Achromatic Telescope 



3 draws 30-in., If -inch Object Lens . 330 



