Waves

Acrylic Light Pipe 24x1-2

This hard acrylic 13mm (1/2") diameter light pipe is 610mm (2ft) of pipe coiled up at one end to demonstrate light transmission from end to end. It transmits light like fibre

RRP£21.57

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HE1009270

Adjustable Lens Holder

Plastic, adjustable lens holder to accommodate a range of lens sizes.

RRP£22.02

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Your Price £11.01

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HE1613809

Argon Spectrum Tube

Spectrum Tube - ArgonArgon gas-filled discharge tube for studying typical spectra of the different gases and for use in calibrating spectrometers. The glass body

RRP£47.76

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Your Price £23.88

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HE1816638

Armature For Vibration Generator

Spare armature for the Philip Harris Vibration Generator (B8H30701). Pack of 10

RRP£57.66

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Your Price £28.83

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HE1522295

Battery Operated Ray Optics Box

A battery operated LED Ray Box comprising of a die cast enclosure which delivers white light but runs much cooler than conventional incandescent lamp models. It uses the

RRP£50.82

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Your Price £27.67

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HE1674746

Biconcave And Biconvex Acrylic Blocks

Clear acrylic bioconcave and bioconvex blocks. Thickness: 25mm. Bioconvex Size: 115mm x 75mm. Pack of 2 (one of each)

RRP£19.41

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Your Price £9.71

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HE1006926

Clear Perspex Block Rectangular

Rectangular clear Perspex block.  Useful for Ray Optics experiments.  All faces are fully polished. Dimensions: 115mm x 65mm x 20mm

RRP£17.79

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Your Price £8.90

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HE1006927

Clear Perspex Block Semi -circular 90mm

Semi-Circular clear Perspex block. All faces are fully polished. Diameter: 90mm Thickness: 16mm

RRP£11.76

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Your Price £5.88

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HE1816640

Clips For G By Freefall Trap Door

Spare clips for the Philip Harris 'g' by Free Fall Apparatus (B8H25316) trap door. Pack of 10

RRP£58.47

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HE1008227

Collimating Lens Low Cost Ray Box

Spare collimating lens for the Ray Optics Box (B8R06342). Dimensions: 60mm x 60mm x 20mm

RRP£44.97

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Your Price £22.49

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HP00054797

Colour Mixing Apparatus

LED Colour Mixing ApparatusThis colour mixing apparatus consists of 3 LED Lamps that project Red, Blue and Green light. Each lamp is flexible and is connected to

RRP£307.50

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Your Price £153.75

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HE1785629

Coloured Acetate

Pack of 5 A4 sized sheets of coloured acetate. The sheets are easily cut to make filters for colour experiments. Ideal for exploring colour-mixing and using with other colour

RRP£16.77

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Your Price £8.39

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HP00054644

Concave Mirrors 50mm Dia F200 P10

Concave Glass Mirrors - 50mmOptically worked, silvered back with protective coating. Diameter: 50mm, Focal Length: 200mm Pack of 10

RRP£28.86

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$Demonstration Diffraction Slide$ HE1006953

Demonstration Diffraction Slide

The Diffraction Slide comprises of a card mount (90mm x 40mm approximately) with three 16mm x 9mm apertures, each containing a diffraction grating replica:

RRP£64.68

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$Diffraction Grating 300 Lines Mm$ HE1006954

Diffraction Grating 300 Lines Mm

Diffraction Grating - 300 lines/mm Dimensions: 50mm x 50mm mount.

RRP£34.53

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Your Price £17.27

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$Diffraction Grating 600 Lines Mm$ HE1006955

Diffraction Grating 600 Lines Mm

Diffraction Grating - 600 lines/mm Dimensions: 50mm x 50mm mount.

RRP£53.70

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HE1476947

Doppler Ball

Did your students ever wonder why a train gets louder as it approaches? Why not show them the physical phenomenon known as the doppler effect with the battery driven device. Load

RRP£32.34

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Your Price £19.75

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HE1008672

Double Concave Lens 50mm Dia F100 P-10d

Spherical Lenses: Double ConcaveWith optically worked faces and ground edges, for educational purposes. Diameter: 50mm Focal Length: 100mm Power: -10D Refractive

RRP£19.95

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Your Price £9.98

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HE1008674

Double Concave Lens 50mm Dia F200 P-5d

Spherical Lenses: Double ConcaveWith optically worked faces and ground edges, for educational purposes. Diameter: 50mm Focal Length: 200mm Power: -5D Refractive

RRP£19.95

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HE1008671

Double Concave Lens 50mm Dia F50 P-20d

Spherical Lenses: Double ConcaveWith optically worked faces and ground edges, for educational purposes. Diameter: 50mm Focal length: 50mm Power: -20D Refractive

RRP£19.95

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HE1008664

Double Convex Lens 38mm Dia F50 P20D

Spherical Lenses: Double ConvexWith optically worked faces and ground edges, for educational purposes. Diameter: 38mm Focal Length: 50mm, Power: +20D Refractive

RRP£19.95

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HE1008666

Double Convex Lens 50mm Dia F100 P10d

Spherical Lenses: Double ConvexWith optically worked faces and ground edges, for educational purposes. Diameter: 50mm Focal Length: 100mm Power: +10D Refractive

RRP£19.95

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HE1008667

Double Convex Lens 50mm Dia F150 P6.6d

Spherical Lenses: Double ConvexWith optically worked faces and ground edges, for educational purposes. Diameter: 50mm Focal Length: 150mm Power: +6.6D Refractive

RRP£19.95

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HE1008668

Double Convex Lens 50mm Dia F200 P5d

Spherical Lenses: Double ConvexWith optically worked faces and ground edges, for educational purposes. Diameter: 50mm Focal Length: 200mm Power: +5D Refractive

RRP£16.98

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Your Price £8.49

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