- The omega Vertical Reading Microscope consists of a microscope with rack focusing adjustment, mounted horizontally on an adjustable vertical column.
- Its height can be raised 8 cm by rack and pinion and 16 cm by means of a drawtube ( total extension 24cm ).
- The column is mounted on a heavy cast iron base nicely painted.
- The scale & vernier are machines divided to an accuracy within ±0.01% or better.
The horizontal microscope tube is mounted on the vertical column ( fitted with a spirit level )and is adjustable by smooth rack & pinion, through twin-knobs on both sides. - The microscope moves on the machined inter ground guides.
VERTICAL READING MICROSCOPE CAT NO. ( 630 )
The omega Vertical Reading Microscope consists of a microscope with rack focusing adjustment, mounted horizontally on an adjustable vertical column. Its height can be raised 8 cm by rack and pinion and 16 cm by means of a drawtube ( total extension 24cm ) . the column is mounted on heavy cast iron base nicely painted
The scale & vernier are machines divided to accuracy within ±0.01% or better.
The horizontal microscope tube is mounted on the vertical column ( fitted with spirit level )and is adjustable by smooth rack & pinion, through twin-knobs on both sides. The microscope moves on the machined inter ground guides.
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SPECTROMETER ( DELUXE QUALITY) ( CAT NO. 661)
Omega precision spectrometers are versatile and designed to achieve higher accuracy of measurement and is useful for the study of spectra produced by prisms and gratings, for the measurements of dispersive powers, wavelengths of spectral lines, the refractive indices of the material of transparent solids and liquids.
SALIENT FEATURES
- COLLIMATOR AND TELESCOPE TUBES ARE CARRIED ON STURDY MACHINES PILLARS PROVIDED WITH MICROMETER SCREWS IN TELESCOPE AND COLLIMATOR TUBES FOR FINE ALIGNMENT
- BASE IS MACHINED CASTING FITTED WITH LEVELING SCREWS AND CARRIES THE FIXED COLLIMATOR AND SWINGING TELESCOPE ARM IN PERFECT ALIGNMENT
- SLIT OF THE COLLIMATOR IS OF STAINLESS STEEL / BRASS AND JAWS ARE FINISHED AND GROUND WITH UTMOST CARE AND TESTED FOR ACCURACY OF EDGES . THE TWO JAWS ARE OPERATED BY KNURLED RING .
- PRISM TABLE WITH GRATING HOLDER IS PROVIDED WITH THREE LEVELING SCREWS AND IS ENGRAVED WITH CONCENTRIC LINES TO FACILITATE CORRECT LOCATION OF THE PRISM . IT MAY BE RAISED OR LOWERED AND ROTATED INDEPENDENTLY OF THE VERNIERS .
- SCALE IS MACHIN DIVIDED IN ½ OR 1/3 DEGREES ON A STAINLESS STEEL SCALE FROM DUST AND CARRIES TWO TRANSPARENT PLEXI PROTECTED WINDOWS FOR VERNIERS . THE SCALE CIRCLE IS PROVIDED WITH CLAMPIN AND TANGENTIAL SCREWS FOR COARSE AND FINE MOVEMENTS . TWO VERNIERS ARE PROVIDED TO READ 1 MIN OF THE ARC OR 30 SEC. AS SPECIFIED .
- OPTICS FINEST QUALITY ACHROMATIC OPTICS ARE USED THE OBJECTIVE ARE 1” CLEAR APERTURE WITH 10X EYE PIECE RAMSDEN FITED WITH CROSS LINE
- PACKING THE ISTRUMENT IS NICELY PACKED IN PLYWOOD BOX.
CAT NO. 661 – READING TO 1 MIN OR 30 SEC. OF AN ARC 6” OR 7”: CIRCLE .
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TRAVELLING MICROSCOPE DELUXE MODEL 3 MOTION (H & V & T) (CAT NO. 669)
- Cast iron heavy base, properly machined and fitted with brass leveling screws. the bed on which the carriage moves is completely made of brass
- Carriage sliding smoothly in dovetail grooved at the base. it can be clamped at any position. its slow motion is achieved through a slide screw attached by a brass knob. it carries a vernier and slides along a scale fixed on the iron base
- Vertical pillar of brass, fixed on the carriage. it has a scale and a slider that carries the vernier with stainless steel embedded.
- The microscope fixed on the vertical pillar. it is adjustable by rack and pinion. it can be clamped at any position. an index mark indicates the correct position in a horizontal or vertical plane.
- The stage is provided with a white plastic plate
- A special arrangement is provided for the transverse movement of the microscope
- Travel: vertically 18 cm, horizontally 22cm, and transversely 6 cm.
- The movement can be measured with help of scale and vernier.
- Packed in superior wooden case
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POLARIZER AND ANALYZER (POLAROID) ( CAT NO. 615 )
This apparatus consists of two identical units, each provided with a Polaroid disc mounted in a rotatable mount, with an aperture of 25mm. Both rotatable mounts have a pointer which traverses a 75mm diameter brass scale divided into 360°. The size is universal and can be fitted to any size of collimator and telescope.
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STUDENT’S POLARIMETER WITH HALF SHADE PRISM (CAT NO.620_
Analyzer brass scale graduated from 0-360 deg. or 0-180 deg. with vernier reading 6″ and accommodates a 200 mm glass tube. It is packed in a cardboard box.
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IT CONSISTS OF :
- NODAL UPRIGHT: IT IS A COMBINATION OF SINGLE AND DOUBLE LENS HOLDER ON AMOUNT ROTATING ALONG THE VERTICAL AXIS
- MIRROR: PLANE INCLINABLE MIRROR
- SLIT: FINE MACHINED CROSS SLIT WITH 1 SURFACE WHITE AND OTHER BLACK
- LAMP HOUSE: AN ELECTRIC BULB FITTED IN METAL CASE WORKABLE ON 220 V A.C.
- OPTICAL BENCH: NODAL SLIDE ASSEMBLY IS FITTED ON HEAVY OPTICAL BENCH WITH TWO FIXED AND 2 MOVABLE SLOWMOTION RIDERS.
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MALUS LAW EXP
THIS EXPERIMENTAL SETUP CONSISTS OF DIODE LASER WITH POWER SUPPLY, PAIR OF POLARIZER ANALYSER, AND PHOTOCELL FITTED ON HEAVY OPTICAL BENCH ALONG WITH DIGITAL MULTIMETER.
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