STUDENT’S POLARIMETER WITH BI-QUARTZ PRISM (CAT NO. 621)
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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OMEGA VERNIER MICROSCOPE ( CAT NO. 667 )
The instrument is specially designed for use with Newton’s ring apparatus .suitable for use in various positions also . the base of the instrument is substantial iron casting with top machined , over which slides a travelling carriage , which can be clamped at any position . fine adjustment is provided by a fine pitch screw . the microscope is mounted in the travelling carriage . microscope is fitted with ramsden eye piece and cross line with superior achromatic objective f.l 3” .
Travel : 16.5 cm and l.c of vernier 0.01 mm
Packed in superior wooden box .
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VARIABLE RECTANGULAR SLIT MICROMETER HEAD ( CAT NO. 610 )
- Adjustment for Resolving Power of Telescope.
- Adjustable slit with unilateral jaws movement through a micrometer head.
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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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TRAVELLING MICROSCOPE ECONOMY MODEL 3 MOTION ( h & v & t ) ( CAT NO. 669 –a)
- Cast iron base, properly machined and fitted with brass leveling screws.
- 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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ABBE REFRACTOMETER ( CAT NO. 512 )
For accurate measurement of index of refraction of transparent liquids, solids, and solutions. For use in Sugar, Ghee and Oil Mills Pharmaceuticals and Chemical Laboratories, JAM Factories, and Distilleries, etc. Measuring range 1.3000 to 1.7000. Measurement of Sugar 0% to 95% CompleteDesigned for the Accurate & quick Examination of the Refractive Indices & Mean Dispersion of Liquids. Solids & Oil.
Range: N.D. 1.3000 to N.D. 1. 7000 in steps of 0.001
Accuracy : 0.0002
Sugar Percentage : 0 to 95% in steps of 1 Division
Accuracy : ± 0.5%
Temperature : 0 – 50º C -
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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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