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HE1006923HE1006923
Symmetry Mirror Pack of 1 A simple but effective device for demonstrating the symmetrical nature of plane surface reflection. It consists of a tinted Perspex screen 150 x 100mm provided with side supports. If the mirror is placed on a sheet of paper with an object in front of it the reflected virtual image is seen in the ...
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HE1006925HE1006925
Rectangular Glass Block Pack of 1 Rectangular block made from high quality glass with optically worked surfaces. All angles are accurately worked.Dimensions: 114mm x 65mm x 19mm
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HE1006926HE1006926
Rectangular Perspex Block Pack of 1 Rectangular clear Perspex block.  Useful for Ray Optics experiments.  All faces are fully polished.Dimensions: 115mm x 65mm x 20mm
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HE1006927HE1006927
Semi-Circular Perspex Block Pack of 1 Semi-Circular clear Perspex block. All faces are fully polished.Diameter: 90mmThickness: 16mm
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HE1006930HE1006930
Equilateral Glass Prism - 25mm Pack of 1 Clear glass equilateral triangular prism made from white clear optical glass with optically polished faces.  For educational use.  Angles: 60° x 60° x 60°.Refractive index: 1.52 approx.Prism Face Dimensions: 25mm x 25mmPrism Height: 25mm
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HE1006931HE1006931
Equilateral Glass Prism - 38mm Pack of 1 Clear glass equilateral triangular prism made from clear optical glass with optically polished faces.  For educational use.Angles: 60° x 60° x 60°Refractive Index: 1.52 approx.Prism Face Dimensions: 38mm x 38mmPrism Height: 38mm
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HE1006932HE1006932
Equilateral Glass Prism - 63mm Pack of 1 Clear glass equilateral triangular prism made from clear optical glass with optically polished faces. For educational use.Angles: 60° x 60° x 60°.Refractive Index: 1.52 approx.Prism Face Dimensions: 63mm x 63mmPrism Height: 63mm
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HE1006933HE1006933
Glass Prism - 35mm x 25mm Pack of 1 Clear glass triangular prism made from clear white optical glass with optically polished faces.  For educational use.Angles: 90° x 45° x 45°Refractive index: 1.52 approx.Prism Face Dimensions: 35mm x 25mm x 25mmPrism Height: 25mm
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HE1006934HE1006934
Glass Prism - 70x50mm Pack of 1 Clear glass triangular prism made from clear white optical glass with optically polished faces. For educational use.Angles: 90° x45° x 45°Refractive index 1.52 approx.Prism Face Dimensions: 70mm x 50mm x 50mmPrism Height: 50mm
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HE1006935HE1006935
UNILAB Perspex Triangular Prism - 38x38mm Pack of 1 Clear Perspex equilateral triangular prism with polished faces. For educational use.Angles: 60° x 60° x 60°.Refractive Index: 1.5 approxPrism Face Dimensions: 38mm x 38mmPrism Height: 38mm
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HE1006936HE1006936
Perspex Triangular Prism - 63mm x 63mm Pack of 1 Clear Perspex equilateral triangular prism with polished faces.  For educational use.Angles: 60° x 60° x 60°Refractive Index: 1.5 approx.Prism Face Dimensions: 63mm x 63mmPrism Height: 63mm
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HE1006937HE1006937
Perspex Triangular Prism - 35x25mm Pack of 1 Clear Perspex triangular prism with polished faces.  For educational use.Angles: 90° x 45° x 45°.Refractive Index: 1.5 approx.Prism Face Dimensions: 35mm x 25mmPrism Height: 25mm
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HE1006938HE1006938
Light Guide Demonstrator Pack of 1 The Light Guide Demonstrator is used for showing how the phenomenon of total internal reflection may be used to confine light within a guide or fibre thus leading to an appreciation of the principles of optical communications.Comprising an acrylic bar (220mm x 20mm x 20mm) formed into a shallow 'S...
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HE1006940HE1006940
Philip Harris Model Eye Kit Pack of 1 Demonstration kit comprising a 5 litre round bottom glass flask complete with a cork ring stand 450g of plastic modelling clay and one each of the following 50mm diameter meniscus lenses:+11D+8D+5.5D+2.5D-3DThe first three lenses are fixed to the flask with plastic modelling clay to show short nor...
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HE1006943HE1006943
Colour Paddles - Pack of 6 Pack of 1 These Colour Paddles can be used for simple experiments in subtractive colour mixing. A set of six transparent acetate paddles in the form of a fan.One each of: Yellow Red Blue Orange Green and Magenta Dimensions: 50mm x 73mm
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HE1006949HE1006949
Mounted Colour Filter Set - Pack of 6 Pack of 1 A set of three primary and three secondary colour acetate filters mounted in plastic frames (50mm x 50mm).Suitable for use in optical boxes etc. While not suitable for photographic work the acetate film is more robust than gelatine for general use.The set includes:Primary filters: red blue and da...
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HE1006953HE1006953
Diffraction Slide Pack of 1 The Diffraction Slide comprises of a card mount (90mm x 40mm approximately) with three 16mm x 9mm apertures each containing a diffraction grating replica:100 lines/mm300 lines/mm600 lines/mm
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HE1006954HE1006954
Diffraction Grating - 300 lines/mm Pack of 1 Diffraction Grating - 300 lines/mmDimensions: 50mm x 50mm mount.
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HE1006955HE1006955
Diffraction Grating - 600 lines/mm Pack of 1 Diffraction Grating - 600 lines/mmDimensions: 50mm x 50mm mount.
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HE1006956HE1006956
Polaroid Film - 50x50mm - Pack of 2 Pack of 1 Polaroid Film bonded between thin clear sheets of flexible plastic.Maximum transmission (single plate): 32%.Extinction transmission: 0.005%.Dimensions: 50mm x 50mm
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