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Block Prism - 125 x 65 x 20mm
Block Prism - 125 x 65 x 20mm
14757

Index of refraction plate, made from acrylic. Polished surfaces.
This acrylic 125 x 65 x 20mm rectangular block is designed for use as an index of refraction plate, and has a polished surface.

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$4.40 Each $8.95 Each
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Trapezoid Prism
Trapezoid Prism
14758

Clear acrylic trapezoid. With one flat surface frosted to enhance visibility. Bases are 89mm and 40mm. Faces measure 47mm and 35mm.
Clear acrylic trapezoid. With one flat surface frosted to enhance visibility. Bases are 89mm and 40mm. Faces measure 47mm and 35mm.

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$4.20 Each $8.50 Each
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Double Concave Acrylic Prism
Double Concave Acrylic Prism
14760

Made from clear acrylic. One plane surface is frosted. 89mm long. 15mm thick. 25mm across the beam axis.
Made from clear acrylic. One plane surface is frosted. 89mm long. 15mm thick. 25mm across the beam axis.

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$3.90 Each $7.95 Each
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Double Convex Acrylic Prism
Double Convex Acrylic Prism
14761

86mm long and 15mm thick. 18mm wide at center.
86mm long and 15mm thick. 18mm wide at center.

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$3.90 Each $7.95 Each
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Spectrum Tube - Water Vapours
Spectrum Tube - Water Vapours
16912

To study Spectral Lines of Pure Elements / Gases. Gas under pressure in the tubes is used to produce a light for spectral analysis. Brightness of light depends on the nature of gas. Optimum intensity, line resolution and longer life. Metal ends with long life electrodes. About 26 cm long, with 90 -100 mm of central capillary. For intermittent use only, not to be used as a lamp source. These are designed to operate 30 seconds ON~30 seconds OFF. Need Spectrum Tube Power Supply or an Induction Coil, sold separately.
To study Spectral Lines of Pure Elements / Gases. Gas under pressure in the tubes is used to produce a light for spectral analysis. Brightness of light depends on the nature of gas. Optimum intensity, line resolution and longer life. Metal ends with long life electrodes. About 26 cm long, with 90 -100 mm of central capillary. For intermittent use only, not to be used as a lamp source. These are designed to operate 30 seconds ON~30 seconds OFF. Need Spectrum Tube Power Supply or an Induction Coil, sold separately.

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$9.20 Each $18.50 Each