Waves

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

These Sound Switches connect to the TSA device (not included) and can be used to measure the speed of sound in air and through solids.Because the TSA device can measure

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

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

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

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

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

The performance of this ultra-low cost spectroscope is comparable with instruments typically costing much more. It uses a CD or DVD as a reflective diffraction grating

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

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

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

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

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

Stand for Lens Holder consisting of a metal pillar with clamping screw to support rods of 6mm diameter as used on standard optical bench fittings. Base Dimensions:

Slim and versatile LED light sources with bright coloured LEDs.The three separate LED units which allow you to experiment with parallelism, diffusion and convergence of

Slim and versatile LED light sources with bright White LEDs.The three separate LED units which allow you to experiment with parallelism, diffusion and convergence of

Excellent quality aluminium plain shank tuning forks with frequency marked on.Set of 8 containing: A 426Hz, B 480Hz, C 256Hz, C 512Hz, D 288Hz, E 320Hz, F 341Hz, G 384Hz

Unmounted Plane Glass Mirrors - 100mm x 75mm Silvered back with protective coating. Dimensions: 100mm x 75mm Thickness: 2mm Pack of 10

Unmounted Plane Glass Mirrors - 150mm x 50mm Silvered back with protective coating. Dimensions: 150mm x 50mm Thickness: 2mm Pack of 10

Unmounted Plane Glass Mirrors - 75mm x 25mm Silvered back with protective coating. Dimensions: 75mm x 25mm Thickness: 2mm Pack of 10

This Ultraviolet torch (UV Flashlight, or UV lamp) is light and easy to use for a range of activities in and out of the science lab. It emits 395nm wavelength with 12 top

The Vibration Generator gives mechanical oscillations when fed by signals from an oscillator/A.F. amplifier (e.g. a Power Signal Generator - B8G85793).The frequency

This Accessory Kit has been developed for use with our Vibration Generator (B8H30701 - <strong>not included</strong>) and contains a multitude of items

Wire Helix (Slinky) - 110mmIdeal for demonstrating different types of waves. Flat-section steel wire in helical coil,Dimensions: Diameter: 75mm Height: 110mm