107 
) i 
1 ^ 
Fig. 57. 
Improved Aplanatic Lens. 
No. 
79 
Maries 
80 
81 
83 
83 
'''Aplanatic Lenses, of similar construction, ^Yitll exception- 
ally large field, the lower type suitable for use with Abbe camera 
No. 43 or 44 (vicl. p. 77) ; 6 and 10 diameters ; in wood capsule, 
each 
Handle with ring for lenses 78 and 79 
Tripod for same 
Doublets, old formula. 
a) X 15 case 
b) X 30 „ „ 
c) X 60 „ „ 
Designed for the dissecting stands IV and V; not suitable for 
free hand work owing to the high amplifications. 
Magnifier, two lenses in brass mounting, magnifying 10, 
lower lens alone 5, in capsule 
Designed for dissecting stands IV and V and also as a hand 
magnifier. 
Magnifier, same construction simplified for dissecting stand V, 
in wood capsule 
Dissecting Lens after Brucke, with long focal distance, 
magnifying 4 to 5 times 
15.— 
3.— 
3.— 
6.— 
4. - 
11.— 
(Bazl %n:>^, Oftijdvc Wc^^taU^, Sena. 
