Microscopes and Accessory Apparatus - LightNovelsOnl.com
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14a. =Medium Size Microscope=, stand inclinable to the extent of 45, tripod foot, coa.r.s.e adjustment by rack and pinion, fine adjustment by micrometer screw. Draw-tube with millimetre scale. Illuminating Apparatus and Iris-diaphragm permanently connected and sliding in a sleeve underneath the stage. The cylinder-diaphragm is used in the same manner. A ring below the iris-diaphragm serves to hold a ground gla.s.s or colored disc.
Triple nose-piece.
Objectives 3, 6, Oil-Immersion 1/12, N. A. 1,30.
Eye-pieces I, III, IV.
Magnifications 60-1000 =104.--=
14b. =The same= with Illuminating Apparatus.
Triple nose-piece.
Objectives 3, 6, 8.
Eye-pieces II, IV.
Magnifications 70-700 =78.--=
15a. =The same= without Illuminating Apparatus.
Double nose-piece.
Objectives 3, 7.
Eye-pieces I, III.
Magnifications 60-450 =50.--=
15b. =The same= without Illuminating Apparatus and nose-piece.
Objectives 3, 7.
Eye-pieces I, III.
Magnifications 85-450 =44.--=
=Stand= with Illuminating Apparatus and Iris-diaphragm =32.--=
=Stand= with Cylinder or Wheel-diaphragm =22.--=
=Cylinder iris-diaphragm= (p. 23) =6.--=
For the addition to this microscope of a lateral screw for raising and lowering the illuminating apparatus as on Stand IIa, an extra charge of $2.-- is made.
[Ill.u.s.tration: Stand III.]
=Stand III.=
Stand III is now provided with rack and pinion coa.r.s.e adjustment instead of sliding tube. In consequence a nose-piece can be used on it to better advantage. It will be found an excellent laboratory stand at low price.
16a. =Medium Size Microscope=, non-inclinable stand, coa.r.s.e adjustment by rack and pinion, fine adjustment by micrometer-screw. The draw-tube has a millimetre scale.
Plane and concave mirror. Wheel-diaphragm.
Triple nose-piece.
Objectives 3, 6, 8.
Eye-pieces I, III.
Magnifications 60-550 =66.--=
16b. =The same= without nose-piece.
Objectives 3, 6, 8.
Eye-pieces I, III.
Magnifications 60-550 =58.--=
17a. =The same=, with double nose-piece.
Objectives 3, 7.
Eye-pieces I, III.
Magnifications 60-450 =48.--=
17b. =The same= without nose-piece.
Objectives 3, 7.
Eye-pieces I, III.
Magnifications 60-450 =42.--=
=Stand= with wheel-diaphragm =20.--=
=This stand= can be supplied with iris diaphragm in stage (see ill.u.s.tration p. 23) instead of wheel-diaphragm.
=Stand= with iris diaphragm =26.--=
[Ill.u.s.tration: Stand IV.]
=Stand IV.=
The dimensions of this stand are now larger than formerly. The price has not been changed.
18. =Small Microscope.= Adjustable by sliding tube and micrometer-screw. The draw-tube is graduated in millimeters. Cylinder-diaphragm with sliding sleeve.
Concave and plane mirrors, obliquely adjustable.
Objectives 3, 6, 8.
Eye-pieces I, III.
Magnifications 60-550 =52.--=
19. =The same.= Objectives 3, 7.
Eye-pieces I, III.
Magnifications 60-450 =36.--=
20. =The same= without Cylinder Diaphragm, with Wheel Diaphragm.
Objectives 3, 5, 7.
Eye-pieces I, III.
Magnifications 60-450 =44.--=
21. =The same.= Objectives 1, 3, 7.
Eye-pieces I, III.
Magnifications 18-450 =40.--=
22. =The same.= Objectives 3, 7.
Eye-pieces I, III.
Magnifications 60-450 =34.--=
=Stand= with cylinder-diaphragm, without objectives and eye-pieces =14.--=
=Stand= with wheel-diaphragm, without objectives and eye-pieces =12.--=
[Ill.u.s.tration: Stand V.]
