Copper calorimeter with parallel sides and rolled rim.

Please note that natural oxidisation can occur.

• Dimensions: 75mm x 50mm

Calorimeter Stirrer is available to purchase separately (B8R05623)

Copper calorimeter with parallel sides and rolled rim.

Please note that natural oxidisation can occur.

• Dimensions: 100mm x 65mm

Calorimeter Stirrer is available to purchase separately (B8R05623)

Aluminium calorimeter with parallel sides and rolled rim.

Please note that natural oxidisation can occur.

• Dimensions: 75mm x 50mm

Calorimeter Stirrer is available to purchase separately (B8R05623)

A fully sheathed miniature 12V; 50W (nominal) heater specially developed for use with metal block calorimeters.

The element is housed in a 150mm x 11mm stainless steel tube; the heated section occupying 70mm from the closed end. Electrical connection is via 300mm flying leads with heat resi...

Comprising a cylinder; one half of which is wood; the other half metal. If paper is wrapped tightly round the cylinder and the rod is briefly held above a Bunsen flame; the portion in contact with the wood will be quickly scorched while the portion in contact with the metal will remain uncharred....

Comprising bars of copper; iron; aluminium and brass with nominal thermal conductivities of 395; 72; 240 and 128 Wm-1K-1 respectively; each 80mm x 1mm x 1.5mm; provided with a hollow for wax and mounted on a wooden ring.

• Outside diameter: 130mm
• Inside diameter: 80mm

Comprising a 360mm x 210mm rectangle of 22mm diameter glass tubing.

In use; the tube is mounted vertically in a retort stand. Convection currents may be generated by gently heating one of the lower corners of the rectangle; and a small amount of potassium manganate(VII) crystals dropped int...

Precision low inertia motor with very low starting current; ideal for low power applications including solar cells and modules. Rotation is clockwise as viewed from shaft end. Disc varistor incorporated for EMC noise reduction.

• Dimensions: 24.3mm Dia. x 12.8mm high.
• Shaft len...

Solar Cell

• Current (Max): 10mA
• Dimensions: 55mm x 35mm
• Output Voltage: 0.45V in clear sunlight.

They may be linked in series/parallel for increased power.

Solar Cell:

• Current (Max): 400mA
• Dimensions: 75mm x 45mm
• Output Voltage: 0.45V in clear sunlight.

They may be linked in series/parallel for increased power.

Solar Cell:

• Current (Max): 800mA
• Dimensions: 95mm x 65mm
• Output voltage 0.45V in clear sunlight.

They may be linked in series/parallel for increased power.

For demonstrating the high temperatures that may be generated by focusing sunlight in an appropriate manner; and illustrating an 'alternative' method of heating. The apparatus consists essentially of a rear aluminised parabolic mirror; 305mm diameter x 185mm focal length; and a matt black copper ...

Narrow Steel spring ideal for transverse wave motion experiments showing standing waves through interference between two waves; reflection of waves and the inversion of the pulse; and the relationships between the initiating pulse; pulse length; wave speed; amplitude and frequency.

• Spr...

For refraction; reflection and wave demonstrations. The tank is transparent; long and narrow to give an adequate path length for wave experiments. A wave generator in the form of a plastic block with handle is provided.

• Dimensions: 600mm x 75mm x 10mm.

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

Light box; with formers for a collimating lens and slit plates. This ray box is versatile and allows all colour mixing experiments due to the hinged mirrors provided. Comprises of a bright halogen lamp; with 4mm sockets.

• Includes a pair of slit plates
• Supplied without filters...

Double-sided plastic plane mirrors with high quality mirror finish. These mirrors are flexible; unbreakable and can be cut into different shapes. They are ideal for use by children. They can be taped together for multiple reflections. Both sides are covered with a protective film.

Use...

Unmounted Plane Glass Mirrors - 75mm x 25mm

• Silvered back with protective coating.
• Dimensions: 75mm x 25mm
• Thickness: 2mm
• Pack of 10

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