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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- MOUNT: THIS RECTANGULAR STAND IS SUITABLE TO FIT OMEGA HE-NE LASER. THIS MOUNT CAN BE USED ON OPTICAL BENCH AS WELL AS ON HEAVY BASE. THIS STAND IS USED TO ALIGN THE HE-NE LASERS WITH OTHER OPTICAL COMPONENTS.
- SUPPLIED WITH HEAVY BASE.
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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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CATHETOMETER UNIVERSAL PATTERN ( CAT NO. 459 )
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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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