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Comprising a cylinder 200 x 30 mm dia one half of which is wood, \nthe other metal. If paper is wrapped tightly round the cylinder and the \nrod is held above the flame, the portion is contact with the wood will \nbe quickly scorched while the por
Borosilicate water jacket 205x100mm diameter surrounding a combustion chamber integral with it and open at its base. The combustion chamber is connected to a copper spiral heat transfer tube, which when used is connecte
Comprising of partly evacuated glass bulb approx. \n70 mm diameter, containing at its centre a fi ne pivot \nwhich supports four light weight metal arms. One side \nof each vane is blackened, the reverse side is bright. \nMounted on round base, wh
This is a small low \nconsumption electric \nmotor on a base \nspecially designed to run \ndirectly from the output of \nthe solar cell.
Comprising a borosilicate glass bulb 70 mm diameter approx., with side arms bent at right angles and formed into jets at their tips. The bulb is carried upon a metal stand which leaves it free to rotate about its horizontal axis. If
To show liquid pressure increases with depth. A sheet metal cylinder with three orifices of same size but at different heights.
Set comprises of 9 x 10 gram masses and one 10 gram hanger to give a total of 100 gram.
Set comprises of 9 x 50 gram masses and one 50 gram hanger to give a total of 500 gram.
The set consists of two plastic, 10cm-diameter hemispheres. Each half has a wooden handle firmly attached to it. One of the hemispheres has a raised edge to hold a rubber seal, while the other hemisphere has a stopcock for attaching to vacuum tubi
Demonstrated the Brownian Motion‚ or random motion of smoke particles. A specially designed plastic box has a sliding lid at the top and contains a glass smoke cell, a cylindrical condensing lens and a low voltage festoon
Traditional scales with zero adjuster, maximum capacity of 125kg with a 0.5kg resolution.
These scales are dual calibrated. Use grams for a mass activity and newtons for a force activity.
These scales are dual calibrated. Use grams for a mass activity and newtons for a force activity.
Spherical optically worked glass, with ground edges highly polished
Spherical optically worked glass, with ground edges highly polished
Spherical optically worked glass, with ground edges highly polished
Spherical, optically worked glass, with grounded edges highly polished.
Spherical, optically worked glass, with grounded edges highly polished.
Two photo gates which can be used as a light operated timing gates. Fitted with a pair of 4mm terminals to allow \nconnection to electronic timers. When the light gates are switched on it creates a short circuit, \nwhich becomes an open circuit ea
Semi-circular convex mirror, 115mm x 50mm high. Depth is 75mm Made in stainless steel and polished on outside surface.
For showing slow AC on an oscilloscope or meter or for demonstrating the use of a dynamo in lighting a lamp. This apparatus has a cycle dynamo mounted on a base. Two 4 mm. socket terminals are provided for the dynamo output. For a visual output a
Pillar mounted on plastic base supporting two pith balls in un-spun silk.
An excellent model to study the generation of electric current. Produces either AC or DC current when the hand wheel is turned. The generation of AC/DC Voltage is represented by two bulbs fitted on the base. A sw
With transparent glass body. Quick blow type. 20 mm long and dia. 5 mm.
4mm pin, 18mm long spring insert for making firm contact with the socket into which inserted and solder nipple for attaching wire lead, fixed to a screw on hard plastic body. Overall length of plug about 40mm.
A cluster of three LDR’s, connected in parallel, to provide increased \nsensitivity and better control of current directly in a reed relay.
Input supply voltage 230V DC. Supplyfrequency 50Hz. Output voltage 2, 4, 6, 8, 10, 12V ACnominal 1, 3, 5, 7, 9, 11V full waverectified DC nominal. Mains fuse rear panel 2A, 20mm quickblow mains plug 3
The Bench Top battery powered digital meters measures DC voltages / current. The special IC circuit provides features like auto zero and auto polarity detection. 0-19.99 Volts. Power: 1 x 9v PP3 battery supplied.
Enables students to investigate nature and properties of electricity by using simple circuits which are easily constructed on a base board. The connector system uses P.C.B. strips with cut-out sections whose ends can easily be inserted in spring t
Investigate the working principle of circuit breaker type fuse, with this demonstration model. The apparatus is built on a robust plastic base and includes resistive loads to simulate external wiring
To distinguish between the conductors and insulators. Kit contains five strips of different material (wood, acrylic, copper brass and aluminium), one lamp and one 9 V battery mounted on plastic base.
A metal Ray Box comprises of a die cast enclosure, delivers white light but runs much cooler than conventional ray boxes. It uses the latest cool ultra bright LED technology giving superior white light. Supplied complete with slit plate and batter
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Comprising a cylinder 200 x 30 mm dia one half of which is wood, \nthe other metal. If paper is wrapped tightly round the cylinder and the \nrod is held above the flame, the portion is contact with the wood will \nbe quickly scorched while the por
Borosilicate water jacket 205x100mm diameter surrounding a combustion chamber integral with it and open at its base. The combustion chamber is connected to a copper spiral heat transfer tube, which when used is connecte
Comprising of partly evacuated glass bulb approx. \n70 mm diameter, containing at its centre a fi ne pivot \nwhich supports four light weight metal arms. One side \nof each vane is blackened, the reverse side is bright. \nMounted on round base, wh
This is a small low \nconsumption electric \nmotor on a base \nspecially designed to run \ndirectly from the output of \nthe solar cell.
Comprising a borosilicate glass bulb 70 mm diameter approx., with side arms bent at right angles and formed into jets at their tips. The bulb is carried upon a metal stand which leaves it free to rotate about its horizontal axis. If
To show liquid pressure increases with depth. A sheet metal cylinder with three orifices of same size but at different heights.
Set comprises of 9 x 10 gram masses and one 10 gram hanger to give a total of 100 gram.
Set comprises of 9 x 50 gram masses and one 50 gram hanger to give a total of 500 gram.
The set consists of two plastic, 10cm-diameter hemispheres. Each half has a wooden handle firmly attached to it. One of the hemispheres has a raised edge to hold a rubber seal, while the other hemisphere has a stopcock for attaching to vacuum tubi
Demonstrated the Brownian Motion‚ or random motion of smoke particles. A specially designed plastic box has a sliding lid at the top and contains a glass smoke cell, a cylindrical condensing lens and a low voltage festoon
Traditional scales with zero adjuster, maximum capacity of 125kg with a 0.5kg resolution.
These scales are dual calibrated. Use grams for a mass activity and newtons for a force activity.
These scales are dual calibrated. Use grams for a mass activity and newtons for a force activity.
Spherical optically worked glass, with ground edges highly polished
Spherical optically worked glass, with ground edges highly polished
Spherical optically worked glass, with ground edges highly polished
Spherical, optically worked glass, with grounded edges highly polished.
Spherical, optically worked glass, with grounded edges highly polished.
Two photo gates which can be used as a light operated timing gates. Fitted with a pair of 4mm terminals to allow \nconnection to electronic timers. When the light gates are switched on it creates a short circuit, \nwhich becomes an open circuit ea
Semi-circular convex mirror, 115mm x 50mm high. Depth is 75mm Made in stainless steel and polished on outside surface.
For showing slow AC on an oscilloscope or meter or for demonstrating the use of a dynamo in lighting a lamp. This apparatus has a cycle dynamo mounted on a base. Two 4 mm. socket terminals are provided for the dynamo output. For a visual output a
Pillar mounted on plastic base supporting two pith balls in un-spun silk.
An excellent model to study the generation of electric current. Produces either AC or DC current when the hand wheel is turned. The generation of AC/DC Voltage is represented by two bulbs fitted on the base. A sw
With transparent glass body. Quick blow type. 20 mm long and dia. 5 mm.
4mm pin, 18mm long spring insert for making firm contact with the socket into which inserted and solder nipple for attaching wire lead, fixed to a screw on hard plastic body. Overall length of plug about 40mm.
A cluster of three LDR’s, connected in parallel, to provide increased \nsensitivity and better control of current directly in a reed relay.
Input supply voltage 230V DC. Supplyfrequency 50Hz. Output voltage 2, 4, 6, 8, 10, 12V ACnominal 1, 3, 5, 7, 9, 11V full waverectified DC nominal. Mains fuse rear panel 2A, 20mm quickblow mains plug 3
The Bench Top battery powered digital meters measures DC voltages / current. The special IC circuit provides features like auto zero and auto polarity detection. 0-19.99 Volts. Power: 1 x 9v PP3 battery supplied.
Enables students to investigate nature and properties of electricity by using simple circuits which are easily constructed on a base board. The connector system uses P.C.B. strips with cut-out sections whose ends can easily be inserted in spring t
Investigate the working principle of circuit breaker type fuse, with this demonstration model. The apparatus is built on a robust plastic base and includes resistive loads to simulate external wiring
To distinguish between the conductors and insulators. Kit contains five strips of different material (wood, acrylic, copper brass and aluminium), one lamp and one 9 V battery mounted on plastic base.
A metal Ray Box comprises of a die cast enclosure, delivers white light but runs much cooler than conventional ray boxes. It uses the latest cool ultra bright LED technology giving superior white light. Supplied complete with slit plate and batter
Showing products per page