BI-PRISM ASSEMBLY (CAT NO. 457)
IT CONSISTS OF :
- BI-PRISM HOLDER: TO HOLD THE FRESNEL BI-PRISM WITH FINE RADIAL MOTION
- LENS HOLDER: AUTOMATIC SPRING LENS HOLDER MADE OF BRASS
- MICROMETER EYEPIECE: EYEPIECE FITTED ON A SLIDER WHICH MOVES ALONG THE MICROMETER SCREW
- SLIT: OPTICALLY TRUE SLIT FITTED WITH SLOW MOTION SCREW TO OPEN THE JAWS OF SLIT UNIFORMALLY
- OPTICAL BENCH: NODAL SLIDE ASSEMBLY IS FITTED ON HEAVY OPTICAL BENCH WITH TWO FIXED AND 2 MOVABLE SLOWMOTION RIDERS
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- 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.
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- Packed in superior wooden case
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POLARIZER AND ANALYZER (POLAROID) ( CAT NO. 615 )
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NODAL SLIDE ASSEMBLY CAT NO. 581
IT CONSISTS OF :
- NODAL UPRIGHT: IT IS A COMBINATION OF SINGLE AND DOUBLE LENS HOLDER ON AMOUNT ROTATING ALONG THE VERTICAL AXIS
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- 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.
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The telescope is fitted with 17.5 cms focus achromatic object-glass of special quality with 25 mm clear aperture,10x Ramsden eyepiece and cross line. the telescope is focused by rack and pinion and has a range from one meter to infinity.
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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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