MICROSCOPES—(ccm^.)

“ A ” Edinburgh Student Microscope, by W. Watson <S' Sons, £ Ltd., with :—

Sliding body coarse adjustment.

Horizontal lever fine adjustment.

Square metal stage.

Tubular understage fitting. x

Flat horseshoe foot.

Eyepiece, No. 4 xio.

2/3" objective.

Double nose-piece.

Mahogany case.

Price .. . . .. . . .. . . .. . . .. 3

Wands Microscope, by W, Watson <5* Sons, Ltd., with :—

Tripod foot permanently inclined, friction coarse adjustment to body, plain metal stage, concave mirror, without objective, eyepiece or case.

Price .. .. .. .. .. .. .. .. .. .. 1

Ten instruments as described above are available.

No. 1 Microscope, by Powell <§â– > Lealand, with :—

Rackwork coarse adjustment.

Micrometer screw fine adjustment.

Large-diameter body tube, with adapters to carry eyepieces of both the small student’s and capped 1.27''' size.

Built-in mechanical stage on the Turrell system, with rackwork to the rotation of the stage, divisions to rotation, reading by vernier. Stage also if fitted with double sliding bar.

Rackwork focussing substage with centring screws, and rotation by rackwork.

Eyepieces, 5 by Powell & Lealand.

Powell & Lealand Apochromatic condenser, dry, N.A. 0.92, fully mounted with wheel diaphragms and dark-ground stops. Mahogany case, with internal case to contain accessories.

Price . . .. . . . . .. . . . . . . . . . . 40

“ Research ” Microscope, by Reichert, with :—

Rackwork coarse adjustment.

Fine adjustment controlled by milled heads on both sides of the limb.

Body of unique type, with rackwork interchangeable eyepiece fitting.

Dustproof quadruple nose-piece.

Built-in large size mechanical stage, with horizontal and vertical motions, fitted with millimetre scales and reading by vernier Rotation to stage.

Centring screws to rotation.

Clamp to rotation.

Full size research substage with rackwork focussing.

Aplanatic condenser.

Rackwork iris diaphragm.

Plane and concave mirrors.

Flat horseshoe foot.

Eyepieces, x6, xio.

Objectives, 2/3", r/6", 1/12'”.

Mahogany case.

Price ..

( 7 )

0 0

12 6

0 0

..30 0 0

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Le texte affiché peut comporter un certain nombre d'erreurs. En effet, le mode texte de ce document a été généré de façon automatique par un programme de reconnaissance optique de caractères (OCR). Le taux de reconnaissance estimé pour cette page est de 97,96 %.

La langue de reconnaissance de l'OCR est l'Anglais.

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