NEGHETTT AND ZAMI5RA, HOLBORX VIADUCT, B.C. 



239 



SERIES XL 



803 Opera Glasses, best quality, with Mother-o'-pearl bodies and Gilt Metal 

 Mountings, fitted with 12 Lenses. 



No. 1 3 3 I No. 3 



,.2 4 4 I 4 



Ditto with Dark Pearl Bodies and Mountings Enamelled Black. 



No. 1 2 10 I No. 3 



,2 3 3 4 



SERIES XII. 



804 Negretti & Zambia's new pattern, 12-lens Achromatic Opera Glasses. (Fig. E.) 



The mountings are Bronzed Metal and the bodies covered with Morocco 



leather. 



N. & Z. strongly recommend this Series, where a best instrument is required 



in plain but strongly made mountings. No. 3 size . . . .330 



No. 1 size . . . .220 4 . . . . 3 10 



,,2 2 10 I 5 440 



SERIES XIII. 



805 Negretti & Zambra's 6-lens Opera Glasses, made in 5 sizes, either of 

 which can be recommended as a good and useful glass for general purposes. 

 (Figs, s T TJ.) 



.110 

 .150 

 . 1 15 



No. 4 size . . . .220 

 5 330 



SERIES XFV. 



806 Monocular Field or Opera Glasses, best quality, mounted 



in metal, japanned black, and body covered with Morocco 

 leather. , (Fig. v.) 



No. 1 size . . . 10 6 No. 5 size . . . 1 10 



2 . . 15 6 . . . 1 15 



3 . . .110 7 (Fig. v.) . 2 2 

 , 4 , 150 



