OP OPTICAL INSTRUMENTS. 121 



1375. CASELLA'S IMPROVED MILITARY OR TARGET TELESCOPE, as above, 3 feet 4, 



draw closing up to 11 inch., 2^-inch. object glass, with caps and straps 

 (fig. 1375), p. 122 400 



1376. SHORT MICROMETER TELESCOPE, for showing the distance of soldiers, as used 



by the Prussian military staff, with l T Vinch. object glass, 1 4s. Od. ; 1-^- 

 inch., 1 10s. Od. ; l T Vinch. . . . . 1 15 



DEER-STALKING OR RIFLE TELECOPES. 



The increased light and wider field of view required for deer-stalking are carried 

 to their utmost limits in these telescopes, which are guaranteed to be unsurpassed 

 by any in use ; they are equally adapted for military or rifle purposes. 



1377. Deer-stalking Watchman's Telescope, as No. 1373 above . 2 15 



1378. DEER-STALKING TELESCOPE, 30 inch., 3 draw, closing up to 10 inch., 2i-inch. 



object gkss, black bronzed, covered with black morocco, with sunshade in 

 black sling case . . . . . . 6 10 



The ne plus ultra of a deer-stalking telescope. A micrometer eye-piece can be added to the 

 above, by which the exact shooting distance of the deer or antelope may be known. Extra, 15s. 6d. 



1380. CASELLA'S IMPROVED TARGET TELESCOPE, with pancratic eye-draw, rack adjust- 

 ment, 2-inch. object glass, and firm light tripod stand with attached board, 

 lined, for registering the marks ; length when in use, 44 inches, in strong 3 

 foot case, with lock . . . ' . . . 990 



With this target telescope signal marking is dispensed with, as it shows the hits or bullet 

 marks clearly at 1200 yards range ; it is also an excellent telescope for private use on raised 

 situations, or any position commanding an extensive view of the sea. 



1382. Telescope Clip or Holder, to fasten to the window frame 15 to 2 (> 



1383. BRASS TRIPOD TABLE STANDS, from . . . 2 to 4 



1384. BOUND MAHOGANY STAFF OR STAND, with telescope clip for either of these 



telescopes . / ,\ . . . 2 to 2 5 



PORTABLE ASTRONOMICAL TELESCOPES, 



WITH STANDS IN CASES COMPLETE. 



The growing taste for the study of astronomy, together with the comfort of a 

 convenient form of traveller's telescope, for celestial as well as terrestrial observations, 

 is fully met by the following short list of telescopes. The powers quoted are such 

 as are thoroughly suited to the instrument even in the hands of inexperienced 

 observers, though in each case higher powers could be added with advantage if 

 required. 



1385. POCKET ASTRONOMICAL TELESCOPE, 1 foot, 6 draw, closing to 3| inch., with small 



clip support, and extra astronomical power, in morocco case, showing Jupiter's 

 satellites very beautifully, powers 12 to 20 times (fig. 1335), p. 122 250 



1386. Portable Astronomical Telescope, 2 foot, 4 draw, closing up to 8 inches, 1-j^-inch. 



object glass, one extra astronomical power, shade, and clip stand, powers 25 to 

 60 times, in mahogany case . . . . . 6 10 O 



1387. PORTABLE ASTRONOMICAL TELESCOPE, 30-inch., 4 draw, closing up to 10| inch., 



2-inch, object glass, shade, sun-shade, extra astronomical power, stand and 

 clip, powers 30 to 80 times, in mahogany case . . 7 10 & 



