Stand IIa.

No. 9.Medium Size Microscope, inclinable, coarse adjustment by rack and pinion, fine adjustment by micrometer-screw. Draw-tube with millimetre scale. Illuminating apparatus and iris-diaphragm with lateral screw for raising and lowering. A ring under the iris diaphragm serves to hold a ground glass or colored disc. The illuminating apparatus and cylinder diaphragm are easily interchangeable.
Triple nose-piece.
Objectives 3, 6, Oil-Immersion 1/12, N. A. 1,30.
Eye-pieces I, III, IV.
Magnifications 60—1000
$120.—
No. 10.The same with Illuminating Apparatus.
Triple nose-piece.
Objectives 3, 6, Oil-Immersion 1/10, N. A. 1,30.
Eye-pieces II, IV.
Magnifications 70—730
$108.—
No. 11.The same without Illuminating-Apparatus.
Triple nose-piece.
Objectives 3, 6, 8.
Eye-pieces I, III.
Magnifications 60—550
$84.—
No. 12.The same without Illuminating Apparatus.
Double nose-piece.
Objectives 3, 7.
Eye-pieces I, III.
Magnifications 60—450
$66.—
No. 13.The same without Illuminating Apparatus and nose-piece.
Objectives 3, 7.
Eye-pieces I, III.
Magnifications 60—450
$60.—
Stand with Illuminating Apparatus and Iris-diaphragm, without objectives, eye-pieces and nose-piece$48.—
The same stand with Cylinder Diaphragm$38.—
Cylinder iris-diaphragm (Cf. p. [23])$6.—

Stand IIb.