WATSONS' 



ASTRONOMICAL TELESCOPES. 



THE "CENTURY 1 TELESCOPES, 



British Made at Barnet, Herts, 



Are the best and most convenient extant for the use of Amateurs. No Observ- 

 atory is necessary, and they are easily removed to any desired spot for observation. 

 They are fitted with the world-renowned 



WATSON-CONRADY OBJECTIVES (Type III). 



The Mountings are all properly proportioned and exceedingly rigid. 

 Made in sizes from three to six inches. 



PRICES, complete, mounted on Tripod with Finder, 

 3 Eye-pieces and Case : 



Aperture of 



Object Glass. s. d. 

 3-inch - 17 10 

 3i - 25 



4 - 37 



Or if by Progressive Payments add 10% to Cash Price 

 and divide into 12 monthly instalments. 



Aperture of 



Object Glass. s. d. 



5-inch -53 00 



6 - 77 10 



WATSONS' EDUCATIONAL 

 TELESCOPE. 



Of new and most convenient design, with 

 first-rate Object Glass, 3 inches diameter, on 

 table tripod Stand, with Astronomical Eye- 

 piece, 7 7s. Unequalled value. Strongly 



recommended for beginners. 

 Specifications and designs for Equatorial 

 Mountings suitable for above Telescopes, to- 

 gether with full particulars of all our models, 

 will be found in Catalogue No. 6K, post 

 free on application. 



SECOND-HAND ASTRONOMICAL TELESCOPES. 



A large assortment by leading makers always on show. List published monthly. 



W. WATSON & SONS, L TD 



ESTABLISHED 1837. 

 Manufacturers of Microscopes and Telescopes-Wholesale and Retail, 



Contractors to the Admiralty, War Office, India Office, &*c. 



313 HIGH HOLBORN, LONDON, W.C. 



Branch : - . ( 2 Easy Bow, Birmingham. 



16 Forrest Road, Edinburgh. Depots} ?g Swanston Stmt| Melbourne, Australia. 



Works-HIGH BARNET, HERTS. 



