9d. =The same= without Illuminating Apparatus. Double nose-piece. Objectives 3, 7. Eye-pieces I, III. Magnifications 60—450 =72.--= 9e. =The same= without Illuminating Apparatus and nose-piece. Objectives 3, 7. Eye-pieces I, III. Magnifications 60—450 =66.--= =Stand= with Illuminating Apparatus and Iris-diaphragm, without objectives, eye-pieces and nose-piece. =54.--= =The same stand= with Cylinder Diaphragm =44.--= =Stand= with illuminating apparatus, swing-out condenser and cylinder iris diaphragm =60.--= =Cylinder iris diaphragm= (Cf. p. 23) =6.--= [Illustration: Stand IIa.] =Stand IIa.= 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.--= 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.--= 11. =The same= without Illuminating-Apparatus. Triple nose-piece. Objectives 3, 6, 8. Eye-pieces I, III. Magnifications 60—550 =84.--= 12. =The same= without Illuminating Apparatus. Double nose-piece. Objectives 3, 7. Eye-pieces I, III. Magnifications 60—450 =66.--= 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.--= [Illustration: Stand IIb.] =Stand IIb.=