Substage Condensers and Mounts—(contd.)

£ s. d.

Spot Lens .. .. .. .. .. .. .. .. .. 0100

Plain Underfitting, with provision for swinging-out of the optic axis,

suitable for early type " Service ” microscope .. .. .. 0 7 6

Sleeve Iris Mount .. .. .. .. .. .. ..076

Mica-Selenite Stage, suitable for Swift microscope . . . . . . 115 0

Wratten Filter, No. 78, blue, for Leitz condenser .. . . .. 0 4 0

Wratten Filter, No. 44, blue-green, for Leitz condenser . . .. 0 4 0

Koristka Catoptric Ultra-Microscope Condenser . . .. . . 4 0 0

Holos. Immersion Paraboloid, optical part .. .. .. .. 110 0

Beck Achromatic Condenser, 7 mm., optical part only, R.M.S. thread 3 10 0

Ross Selenite Mount, to fit standard substage .. . . . . . . 15 0

ILLUMINATING APPARATUS

Stand Condensers, Lamps, etc.

Vertical Illuminator, Johnstone-Stoney type

Condenser Vertical Illuminator, with disc reflector

Vertical Illuminator, cover-glass type

Vertical Illuminator, prism type, with iris diaphragm

Combined Prism and Cover-glass Vertical Illuminator, by Swift

Scop Condenser, with iris diaphragm (no stand)

Scop Condenser, with iris diaphragm, on stand . .

4^" diameter Plano-Convex Lens, mounted on gymbal, with clamping screw, suitable for use in a saddle Side Silver Reflector, on arm to fit in stage of microscope ,, ,, ,, with collar to fit on objective

“ Ogilvy ” type Research Lamp, for microscope work, with cylindrical body mounted on circular upright pillar, fitted to a tripod foot with extra wide spread. The body can be raised and lowered as desired, and clamped into the required position. There is a built-in iris diaphragm, controlled by a push-and-pull rod. At the base of the lamp body is fitted a square bar, carrying a Nelson type lamp condenser, which can be clamped in the required sition . . . . . . .. .. . . . . each

Sliding Resistance, 200-230 volts-, suitable for 12-volt 6-watt lamps Substage Lamp, early pattern, by Watson & Sons

Small Oil Microscope Lamp, by Johnson & Sons, metal reservoir and chimney

Powell & Lealand type Bull’s-eye Stand Condenser, lens 6 cm. diameter Large Prism for top illumination (chipped on one corner), on brass stand

£ s. d.

1 10 0 4 0 0

0 10 0 15 0

2 15 0

2 0 0 2 10 0

1 10 0 0 15 0

0 17 6

8 0 0 10 0 10 0

0 7 6

10 0

0 15 0

MICROTOMES i .. d.

Cathcart-Darlaston Microtome, for freezing and embedding . , . . 3 10 0

Cole’s Pattern Section Knife, with steel handle . . . . . . . . 0 5 0

Strop, leather on handle .. .. .. .. .. •• 016

Cole’s Pattern Hand Microtome, for clamping to table. . . . . . 15 0

Hand-type Microtome, in heavy brass mounting, in case . . . . 0 12 6

Schanze Microtome, sledge type, with wax holder and freezing attachments, with two large knives, in case . . . . .. . . 8 10 0

Section Cutter, by R. & J. Beck, for embedded or frozen material, with

glass plates . . . . . . . . . . . • • â–  . • 1 10 0

Jung-Thoma Microtome and knife .. .. .. .. .. 4100

Simple Stand Section Cutter .. .. .. .. .. .. 050

( 19 )

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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 97,84 %.

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

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