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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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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Light/Optics
VERTICAL READING MICROSCOPE CAT NO. ( 630 )
The omega Vertical Reading Microscope consists of a microscope with rack focusing adjustment, mounted horizontally on an adjustable vertical column. Its height can be raised 8 cm by rack and pinion and 16 cm by means of a drawtube ( total extension 24cm ) . the column is mounted on heavy cast iron base nicely painted
The scale & vernier are machines divided to accuracy within ±0.01% or better.The horizontal microscope tube is mounted on the vertical column ( fitted with spirit level )and is adjustable by smooth rack & pinion, through twin-knobs on both sides. The microscope moves on the machined inter ground guides.
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Light/Optics
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
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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Light/Optics
NEWTON RING MICROSCOPE COMPACT TYPE ( CAT NO. 667-ii )
This Newton ring’s microscope is compact type with built in all necessary arrangement required for conducting newton’s ring experiment . The whole microscope tube unit can be raised or lowered and can be clamped in any desired position. The focusing of the microscope unit is done by rack and pinion arrangement.
The longitudinal movement of the microscope saddle for the purpose of the Rings is done by rotating the drum. The 26 mm movement can be read by scale and on the divided drum to 0.001 cm.
Newton’s Ring set consisting of the optical flat glass and one Plano-convex Lens (50mm radius) arranged inside a metal case resting over the stage of the instrument which can be adjusted for the alignment of the measuring line . An adjustable reflector plate in the required direction is fitted on to the side of the set. The condenser lens is provided in front of the reflector.
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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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