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Physics Lab Equipments-> Physics Equipment

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MODEL OF OPTICAL INSTRUMENTS
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MODEL OF OPTICAL INSTRUMENTS (0572)

Demonstrates the working and optical arrangement of simple optical instruments. Complete with lenses, mounted vertically on the board with . ray diagram printed to give an idea of their working.

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DIRECT VISION SPECTROSCOPE
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DIRECT VISION SPECTROSCOPE (0573)

A simple device for the rapid qualitative examination of composition of emission and absorption spectra. It has the principle components collimator, prism and telescope, all arranged along the same straight tube. Comprises a plated brass pipe with adjustable slit at one end for adjusting the inside amount of light entering inside, and a drawtube at the other end having eyepiece. The drawtube can be slid along its length for sharp focusing of the spectrum and is fitted with a multi-element prism causing appreciable dispersion of light without deviation. Supplied complete in velvet lined wooden case.

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SPECTROMETER, KIRCHHOFF - BUNSEN TYPE
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SPECTROMETER, KIRCHHOFF - BUNSEN TYPE (0574)

For qualitative observation and measurement of emission and absorption spectra. Table unit has fixed optical flint prism with removable cover. Includes swiveling observation telescope with movable ocular, scale tube with reference subdivision, slit tube with adjustable slit. Complete assembly supported on vertical pillar mounted on circular cast metal base.

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STANDARD SPECTROMETER
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STANDARD SPECTROMETER (0575)

An economically priced instrument, which is nevertheless capable of much useful quantitative work. The main structural parts, including the collimator and telescope bodies are heavy castings, other metal parts being bright plated. Scale: 170mm diameter, divided 0 to 3600 x 10, independently rotatable with locking screw. A spring-loaded vernier scale attached to the telescope mount provides readings to O. 10 (6 minutes of arcJ. Collimator: Mounted on fixed pillar with axis adjustment. Objective lens has 150mm FL, an aperture of 21 mm and is carried in spiral focusing system. Unilaterally adjustable slit 6mm long. Telescope: Mounted on moveable pillar with adjustment, locking screw and axis adjustment. Objective lens has 170mm FL, 21 mm aperture and is carried in a spiral focusing system. Ramsden eyepiece with cross wires and locking ring focus adjustment. Prism Table: The table is provided with three leveling screws and has lined marked to assist placement of prism.Standard Accessories Supplied: 1 prism clamp for prisms up to 40mm high, 1 diffraction grating holder, aperture 25 x 25mm, 1 small screw driver, 1 tommy bar for axis adjustment.

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INTERMEDIATE SPECTROMETER
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INTERMEDIATE SPECTROMETER (0576)

This is a robust instrument designed specifically for student use, which nevertheless is capable of very high performance. The main structure is of heavy cast metal, with bright plated fittings. The complete instrument is supplied with wooden case. Scale: The 150mm diameter circle with protective plastic shield is fixed to the telescope movement and the table is attached to the double ended vernier, which reads to minute of arc. Both telescope and table rotation fine adjustment screws, and release of a clamping screw enables adjustment of both movements to be made by hand. Collimator : Mounted on fixed and fitted with 178mm focus achromatic objectives, 25mm clear aperture. Also fitted is a unilaterally adjustable slit 7mm long. Telescope : Mounted on moveable pillar and fitted with 178mm Focus achromatic objective, 25mm clear aperture. Also fitted is a 8x Ramsden eyepiece and a glass cross line graticule. Both the telescope and collimator have rack and pinion focusing. Means are provided for leveling the axis of both optical units and for squaring them to axis of rotation. Prism Table: The table is marked with lines to assist placing the prism with respect to the table leveling screws. Standard AccessDries Supplied: 1 Prism clamp, 1 diffraction grating holder, 1 magnifier, 1 tommy bar for adjusting optical axis, 1 wooden case.

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ADVANCED SPECTROMETER
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ADVANCED SPECTROMETER (0577)

A precise instrument for measuring the composition of light, determination of refractive index of solids or liquids and exploring other related optical concepts. Allows students to perform prism and grating spectrometry. High quality optics ensures sharp spectral images while precision machining and fitting allows for precise rotation and accurate measurement. The turntable is mounted on heavy bearings and can be rotated about vertical axis. Streamlined body to avoid crevices around fittings. Holding pillars for both, telescope and collimator, of solid metal block to provide ruggedness and durability. Has a heavy, sturdy, stable cast metal base, with scratch resistant epoxy-coating. The general finish of the apparatus is similar to that of the intermediate model. The instrument is mounted on a baseboard, which fits into a polished hardwood case. Scale : Main scale about 150mm in diameter is fixed on the turntable that also holds telescope. Scale is precision engraved 0-360 x 1/2, which is further complimented a precision engraved, double ended verniers provides convenient reading with a least count of 30. Rotations of both the scales, main as well as vernier, have fine adjustment screws, and release of a clamping screw enables coarse adjustment to be made by hand. Collimator Mounted on fixed pillar and fitted with 178mm focus achromatic objective, 32mm clear aperture. A unilaterally adjustable slit, 6mm long is also fitted. Telescope : Mounted on moveable pillar and fitted with 178mm focus achromatic objective. Also fitted is a 15 x Ramsden eyepiece and a cross-line graticule. Both the telescope and collimator provided with rack and pinion type focusing mechanism for ease in operation and precise focusing. Means are provided for aligning the axes of both the optical units and for squaring them to the axis of rotation. Prism Table: The table is marked with grooved lines to assist placing the prism with respect to the table leveling screws, and has interchangeable clamping units for the prism and a diffraction grating. Standard Set of Accessories, supplied in case: Dense Flint Glass prism -1 No., Prism clamp - 1 No., Diffraction grating holder - 1 No., Watchmaker's eyeglass - 1 No. , Tommy bar I L Key for adjusting optical axis of tubes - 1 No., Polished hardwood case

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SPECTROMETER, ADVANCED, WITH DOUBLE VERNIER
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SPECTROMETER, ADVANCED, WITH DOUBLE VERNIER (0578)

177mm diameter circle, Allows readings to 30 seconds of arc. This instrument whilst robust enough for individual student use is also intended for more advanced work. The general finish of the apparatus is similar to that of the intermediate model. The instrument is mounted on a baseboard, which fits into a polished hardwood case. Scale: The 177mm diameter circle is fixed. and the table and telescope movements are completely independent of each other. Both movements can be read to 30 seconds of arc by means of double ended vernier. Both rotations have fine adjustment screws. and release of a clamping screw enables coarse adjustment to be made by hand. Mounted on fixed pillar and fitted with 178mm focus achromatic objective. 32mm clear aperture. A unilaterally adjustable slit. 6mm long is also fitted. Telescope Mounted on moveable pillar and fitted with 178mm focus achromatic objective. 32mm clear aperture. Also fitted is a 15 x Ramsden eyepiece and a crossline graticule. Both the telescope and collimator have rack and pinion focusing. Means are provided for leveling the axes of both optical units and for squaring them to the axis of rotation. Prism Table: The table is marked with lines to assist placing the prism with respect to the table leveling screws, and has interchangeable clamping units for the prism and a diffraction grating. Standard Set of Accessories, supplied in case: Dense Flint Glass prism -1 No., Prism clamp - 1 No ., Diffraction grating holder -1 Nos, Watchmaker's eye glass -1 Nos, Tommy Bar / L Key for adjusting optical axis of tubes -1 Nos, Polished hardware case.

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ADDITIONAL ACCESSORIES FOR ADVANCED SPECTROMETER - Crown Glass Prism: 32mm aperture at minimum deviation
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ADDITIONAL ACCESSORIES FOR ADVANCED SPECTROMETER - Crown Glass Prism: 32mm aperture at minimum deviation (0579)

Crown Glass Prism: 32mm aperture at minimum deviation

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ADDITIONAL ACCESSORIES FOR ADVANCED SPECTROMETER - Extra Dense Flint Glass Prism: Face dimensions 32 x 32mm.
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ADDITIONAL ACCESSORIES FOR ADVANCED SPECTROMETER - Extra Dense Flint Glass Prism: Face dimensions 32 x 32mm. (0580)

Extra Dense Flint Glass Prism: Face dimensions 32 x 32mm.

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ADDITIONAL ACCESSORIES FOR ADVANCED SPECTROMETER -  Diffraction Grating Replica: Approx. 600 lines per mm, for use in the holder in the spectrometer table
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ADDITIONAL ACCESSORIES FOR ADVANCED SPECTROMETER - Diffraction Grating Replica: Approx. 600 lines per mm, for use in the holder in the spectrometer table (0581)

Diffraction Grating Replica: Approx. 600 lines per mm, for use in the holder in the spectrometer table

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ADDITIONAL ACCESSORIES FOR ADVANCED SPECTROMETER - Double Sided Mirror: In metal mount so that it can be used in the diffraction grating holder
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ADDITIONAL ACCESSORIES FOR ADVANCED SPECTROMETER - Double Sided Mirror: In metal mount so that it can be used in the diffraction grating holder (0582)

Double Sided Mirror: In metal mount so that it can be used in the diffraction grating holder

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ADDITIONAL ACCESSORIES FOR ADVANCED SPECTROMETER - Polaroid Polarizer I Analyzer: 25mm aperture, mounted to flit on the objective mount of either telescope or collimator of spectrometers
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ADDITIONAL ACCESSORIES FOR ADVANCED SPECTROMETER - Polaroid Polarizer I Analyzer: 25mm aperture, mounted to flit on the objective mount of either telescope or collimator of spectrometers (0583)

Polaroid Polarizer I Analyzer: 25mm aperture, mounted to flit on the objective mount of either telescope or collimator of spectrometers

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ADDITIONAL ACCESSORIES FOR ADVANCED SPECTROMETER - Polarizer / Analvzer: As above but having a rotary movement with fine adjustment and a divided circle 89mm diameter with vernier reading to 1/10
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ADDITIONAL ACCESSORIES FOR ADVANCED SPECTROMETER - Polarizer / Analvzer: As above but having a rotary movement with fine adjustment and a divided circle 89mm diameter with vernier reading to 1/10 (0584)

Polarizer / Analvzer: As above but having a rotary movement with fine adjustment and a divided circle 89mm diameter with vernier reading to 1/10

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ADDITIONAL ACCESSORIES FOR ADVANCED SPECTROMETER - Wave Plate: 20mm clear aperture in graduated rotary mount reading to 5' on a metal stage. Suitable for mounting in the diffraction grating holder of
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ADDITIONAL ACCESSORIES FOR ADVANCED SPECTROMETER - Wave Plate: 20mm clear aperture in graduated rotary mount reading to 5' on a metal stage. Suitable for mounting in the diffraction grating holder of (0585)

Wave Plate: 20mm clear aperture in graduated rotary mount reading to 5' on a metal stage. Suitable for mounting in the diffraction grating holder of the spectrometer

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SPECTROMETER PRISM
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SPECTROMETER PRISM (0586)

Optically worked for Spectrometer, equilateral prism with two faces polished. Available in several glass types having different refractive indices () and sizes (side x length).

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22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57
58 59 60 61 62 63 64 65 66 [67] 68 69 70 71 72 73 74 75
76 77 78 79 80 81 82 83 84 85 [«Back ||Next »]


 
 

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