120 L. CASELLA'S CATALOGUE 



1383. Plain Out-door Stands, with double motion for No. 1357, or 1360, or 1362 



150 



1364 STOUT MAHOGANY STANDS, with double motion for No. 1357, or 1360, or 1362 



330 



1365. MAEINE TELESCOPE, improved, and much used in the Indian navy, with two eye- 



pieces, viz., one for clear and the other for hazy weather, with magnifying 

 powers of thirty-five and twenty times respectively, 1-f-inch. object glass, the 

 body covered with black leather, in mahogany case, with lock 550 



1366. MAEINE TELESCOPE, improved, etc., etc., as above, the two eye-pieces magnifying 



sixty and thirty-five-times respectively, 2s--inch. object glass, covered body, 

 three feet when closed, in mahogany case, an excellent form of marine telescope 

 for the deck . . . 7 10 



1387. Sea Coast or Station Telescope, with 4 foot brass body, vertical rack, and 

 horizontal motions, two terrestrial and one astronomical eye-piece, with powers 

 varying from 35 to 120 times, 3-inch, object glass and sun-shade, in strong 

 case with lock, and strong mahogany stand, admirably suited for observation 

 over an extensive range of country, for telegraphic or sea coast stations, or for 

 occasional astronomical observation . . . 21 



PORTABLE OR TOURISTS' TELESCOPES FOR THE 



POCKET (as .fa. 1369) p. 119. 



Lightness and portability, with great power and clearness, are the chief characteristics 

 of the following, the smallest of which shows Jupiter's satellites very beautifully. 



* No. 1372 is sometimes coverd with black leather, with end caps and straps for suspension, at 

 an additional cost of 10s. 6d. A pancratic eye-draw is also often applied, by means of which the 

 power may be increased at pleasure to 28 and 32, which should however only be used in very 

 clear weather ; extra charge, 7s. 6d. 



1373. TOURISTS' TELESCOPE, in black morocco, 2 draw, 18-inch., drawing out to 24 



inch., and closing up to 8 inches, If-inch. object glass, with sun-shades, caps 



and straps . . . * - . , . . 2 15 



A variety of other pocket telescopes at lower prices, are kept as well as others, with a greater 



n-amber of draws and ornamental mountings. All varieties may be had in German silver mounting, 



at about one-fifth extra charge. 



MILITARY OR RIFLE TELESCOPES. 



1374. CASELLA'S IMPROVED MILITARY OR TARGET TELESCOPE, 30 inch., 2 draw, 

 closing up to 12 inch., 2^-inch. object glass, with pancratic eye-draw to 

 increase or diminish the power, for dark or clear weather, with sling caps and 

 strap, as used by the leading members of the rifle corps (fig. 1374), p. 119. In 

 clear weather the rifle-hits at 1100 yards are perfectly visible with this telescope, 

 whilst in ordinary weather they are seen with it at 1000 yards off. It will show 

 the time by a clock at six miles distance, and the form of the rocks of Calais 

 from Dover, a distance of twenty-one miles . . . 3 10 



