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.
Related products
-
Light/Optics
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
-
Light/Optics
READING TELESCOPE ( SIMPLE FIXED TYPE ) ( CAT NO. 644 )
Simple form , focusing from one meter to infinity fitted on tripod stand 18-inch height. This is a good general-purpose laboratory instrument. It employs an achromatic objective of 25 mm aperture and 17.5cm focal length. The telescope is mounted on a sturdy stand with ½” steel C.P. rod, focus by smooth rack and pinion, 10X Ramsden eyepieces are used.
The sensitive focusing adjustment and wide range of working distance make this telescope a useful laboratory instrument. -
Light/Optics
VARIABLE RECTANGULAR SLIT MICROMETER HEAD ( CAT NO. 610 )
- Adjustment for Resolving Power of Telescope.
- Adjustable slit with unilateral jaws movement through a micrometer head.
-
Light/Optics
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 -
Light/Optics
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 .
-
Light/Optics
READING TELESCOPE COLLEGE PATTERN ( CAT NO. 645 )
It is mounted on a 22 mm diameter steel shaft 18 INCH long fitted on a heavy tripod base. the telescope can be accurately positioned with the help of the two-micrometer screws in the vertical and horizontal planes
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.
Reviews
There are no reviews yet.