122 



L. CASELLA/SICATALOGUE 



FIG. 1385. 



FIG. 1375. FIG. 1354. 



1388. POETABLE ASTBONOMICAL TELESCOPE, 3 foot, 4 draw, closing to 12 inches, 2- 



inch. object glass, powers 36 to 100 times, stand, etc., in case, complete 



900 



ASTRONOMICAL TELESCOPES. 



1389. Astronomical Telescopy with brass body, 30-inch., object glass 21-inch, clear 



aperture, two terrestrial and two astronomical eye-pieces of 30, 50, 80 and 

 110 powers respectively, rack-work, sun-shades, or dark glasses to eye-pieces, 

 vertical rack and horizontal motion, with handsome brass tripod stand, in 

 mahogany case, complete (fig. 1389) . . . 11 10 



Shows clearly Jupiter's satellites and ordinary double stars. 



1390. STBONG GABDEN STAND, to suit the above. . . "'.. 1 15 

 1392. ASTEONOMICAL TELESCOPE, 3 feet focal length, 2^-inch. object glass, with pancratic 



eye-draw, giving powers 35, 45, and 55, and astronomical powers of 80 and 150 

 respectively, rack work, sun shades, or dark glasses to eye-pieces, with stand, 

 etc., etc., complete, as above '". ' . . v " 18 10 



FIG. 1389. 



1393. Astronomical Telescope^ 3^ feet focal length, 21-inch, aperture, with pancratic 

 day-draw, giving powers 35, 45, 60 and 70; 3 astronomical powers of 100, 

 150, and 200 respectively, star-finder, vertical rack, and rack adjustment, 

 dew cap and 2 dark glasses or sun-shades to 2 eye-pieces, with pillar and claw 

 stand, in mahogany case, with lock . . . 25 



If without finder, in which form it is mostly supplied, 2 less. 



