PRICE LIST. 
101 
Cases for tlie Microscopes. Upright mahogany case 
for No. 7, with three drawers for object slides, &c., and 
fitted for the reception of all accessories, .... $18.00 
Upright mahogany case for Nos. 4 and 5, with three drawers, 
with fittings for all accessories, ..... 15.00 
Ditto of black walnut, and with one drawer, . . . 12,00 
Achromatic Object-Glasses for the Microscopes. 
First Class. (See Section 58.) 
Object glasses 
Angular Aper- 
ture about 
Linear Magnifying Power 
(draw-tube closed) 
with Eye pieces. 
Price. 
No. 1. 
No. 2. 
1 No. 3. 
2 inch. 
13 degrees. 
20 
35 
60 
$14.00 
1 “ 
25 
40 
70 
120 
18.00 
1 ^ “ 
i 
60 
90 
150 
260 
25.00 
! ditto without 
1 adjustmeut. 
50 
a 
20.00 
j ^ inch. 
95-100 
200 
350 
600 
30.00 
! 1 o 
i ® 
125-130 
400 
700 
1100 
40.00 
1 1 u 
: T2 
160 
590 
1000 
1600 
60.00 
1 
Second Class. (See Section 61.) 
2 inch. 
10 degrees. 
$ 8.00 
1 “ 
15 
8.00 
i “ 
40 
Magnifying Powers 
as above. 
12.00 
65 
15.00 
i “ 
90 
25.00 
Apparatus for IJos. 2 and 3. 
SEE SECTION 
Movable Lever Stage, 10.00 
84. Three Dark Wells and Holder, .... 2.50 
110. Polariscope, (two Nicol’s prisms,) .... 14.00 
