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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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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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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TRAVELLING MICROSCOPE 2 MOTION ( H & V ) ( Cat no. 668 )
Heavy cast iron base with leveling screws. the top machined over which slides a metal carriage. the slide can be clamped at any position by means of clamping screw. fine adjustment for final readings done with a micrometer screw. a vertical slide operating in a similar way is fitted on a horizontal carriage. the microscope with rack and pinion is fitted on the vertical or horizontal position of the microscope. the stage for placing objects for measurements fitted with a milky plate, highest quality achromatic lenses have been used.
Travel : Horizontally 16.5 cm and 14cm vertically . accurate vernier reading 0.02 or 0.01 mm. packed in wooden case
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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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Light/Optics
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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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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