Waves

Prism Glass 60 X 60 X 60 38 Mm (l)

Clear glass equilateral triangular prism made from clear optical glass with optically polished faces.  For educational use. Angles: 60° x 60°

RRP£12.36

Save43%

Your Price £7.10

Back in stock shortly, please ask for due date

HE1006932

Prism Glass 60 X 60 X 60 63 Mm (l)

Clear glass equilateral triangular prism made from clear optical glass with optically polished faces. For educational use. Angles: 60° x 60° x 60°.

RRP£56.85

Save42%

Your Price £33.06

Back in stock shortly, please ask for due date

HE1006934

Prism Glass 70 X 50mm (hypotenuse X L)

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

RRP£29.13

Save50%

Your Price £14.57

Back in stock shortly, please ask for due date

HE1006937

Prism Perspex 35 X 25mm (hypotenuse X L)

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

RRP£4.29

Save14%

Your Price £3.69

Back in stock shortly, please ask for due date

HE1006935

Prism Perspex 60 X 60 X 60 38 Mm (l)

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:

RRP£9.03

Save42%

Your Price £5.23

Back in stock shortly, please ask for due date

HE1006936

Prism Perspex 60 X 60 X 60 63mm (l)

Clear Perspex equilateral triangular prism with polished faces.  For educational use. Angles: 60° x 60° x 60° Refractive Index: 1.5 approx. Prism Face

RRP£9.48

Save43%

Your Price £5.45

Back in stock shortly, please ask for due date

HE1522297

Ray Optics Box

A ventilated Ray Optics box which is open fronted with extended sides finned externally for heat dissipation and vertical internal grooves to

RRP£34.98

Save50%

Your Price £17.49

Back in stock shortly, please ask for due date

HE1775808

Rayzer Lightbox

Bring modern technology into your classroom with this raybox for the 21st century.This unit is for studying ray optics. It contains 3 laser diode

RRP£272.31

Save50%

Your Price £136.16

Back in stock shortly, please ask for due date

HE1006925

Rectangular Glass Block 114 X 65 X19mm

Rectangular block made from high quality glass with optically worked surfaces. All angles are accurately worked. Dimensions: 114mm x 65mm x 19mm

RRP£13.65

Save50%

Your Price £6.83

Back in stock shortly, please ask for due date

HE1878007

Replacement Led For Ray Optics Box

Replacement LED bulb for the Battery-Operated Ray Optics Box (B8R06343).

RRP£16.98

Save50%

Your Price £8.49

Back in stock shortly, please ask for due date

HE1226013

Set Of 6 Colour Filters

Set of 6 standard colour filters. Orange Marius Red Primary Green Tokyo Blue QFD Blue Violet

RRP£296.73

Save50%

Your Price £148.37

Back in stock shortly, please ask for due date

HE1006949

Set Of 6 Colour Filters Mounted 50x50mm

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

RRP£76.56

Save50%

Your Price £38.28

Back in stock shortly, please ask for due date

HE1003073

Set Of Acrylic Blocks

Clear acrylic blocks which are all 15mm thick.  All faces are fully polished. The set comprises 7 blocks in a storage tray as follows:

RRP£26.85

Save13%

Your Price £23.49

Back in stock shortly, please ask for due date

HE1591583

Slit Plate Holder For Light Source Kit

Slit plate holders. Pack of 4

RRP£31.83

Save50%

Your Price £15.92

Back in stock shortly, please ask for due date

HE1008228

Slit Plate Low Cost Ray Box

Spare Ray Box slit plates suitable for use with the now discontinued Economy Science Ray Box. Dimensions: 45mm x 75mm Pack of 5.

RRP£9.87

Save50%

Your Price £4.94

Back in stock shortly, please ask for due date

HE1513184

Slit Slides - Double

For the measurement of the wavelength of light by the observation of 'fringes' produced by the interference between the 2 beams of light, from a common source, passing

RRP£36.18

Save50%

Your Price £18.09

Back in stock shortly, please ask for due date

HE1513182

Slit Slides - Single

For the measurement of the wavelength of light by the observation of 'fringes' produced by the interference between the 2 beams of light, from a common source, passing

RRP£35.37

Save50%

Your Price £17.69

Back in stock shortly, please ask for due date

HE1878013

Spare Dippers For Ripple Tank

Spare Dipper intended for use with the Economy Ripple Tank (B8R08097).

RRP£87.63

Save50%

Your Price £43.82

Back in stock shortly, please ask for due date

HE1008936

Spare Len Cylindrical Double Convex 45mm

Spare 45mm glass double convex cylindrical lens for use with the, now discontinued, Economy Ray Box. Dimensions: (W)45mm x (H)50mm

RRP£14.73

Save50%

Your Price £7.37

Back in stock shortly, please ask for due date

HE1006907

Spare Pair Of Plastic Slit Plates

Set of spare slit plates for use with the Light Box and Optical Set (B8A44106). Plate Dimensions: 90mm x 50mm x 3mm Pack Size: 2 plates

RRP£13.38

Save50%

Your Price £6.69

Back in stock shortly, please ask for due date

HE1008661

Spare Slit Plates For H77468

Spare Ray Box slit plates, suitable for the Philip Harris Ray Optics Box (B8R06342) & the Battery Operated Ray Box (B8R06343). Dimensions: 50mm x 100mm Pack of 5

RRP£14.73

Save50%

Your Price £7.37

Back in stock shortly, please ask for due date

HE1580314

Spectrometer Prism Extra Dense Flint

Spectrometer Prism 60° x 60° x 60°. Extra dense flint glass. Refractive index 1.7 approximately. Optically polished and made from white optical glass Dimensions: 32mm

RRP£29.82

Save42%

Your Price £17.33

Back in stock shortly, please ask for due date

HE1473308

Spectrum Tube Holder

This economical special holder allows an external power source to be used for 26cm long spectrum tubes. Fitted with 4mm safety sockets on black panel. This holder is

RRP£150.81

Save50%

Your Price £75.41

Back in stock shortly, please ask for due date

HE1006964

Spectrum Tubes - Hydrogen

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

RRP£57.66

Save50%

Your Price £28.83

Back in stock shortly, please ask for due date