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Non-RoHS Photoconductive cadmium sulphide cell with a spectral response similar to the human eye. As light falling on the cell increases, so the resistance of the cell decreases. Peak spectral response: Typ. 550 nm
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
UT383 is a MiniLight Meter equipped with photo electricsensing technology, which can effectively represent light intensity with electrical signals, then processes data and displays the result on LCD. It is light weight, compac
This meter is a precision instrument used to measure illuminance in the fi eld. It meets \nCIE photopic spectral response and is fully corrected for angular incidence of light. \nSupplied with carry case instruction manual and battery. Measuring r
Practical paper chromatography offers motivational learning opportunities, but relies on standard analytical grade papers or much less satisfactory alternatives such paper towelling. Select School Supplies can now offer a really low-cost al
Good quality, hard wearing magnifiers with dual magnification. Specification 45mm. Pk10.
Pocket type magnifier mounted in single body with a metal cover which doubles as a handle fitted with a single lens of diameter 18 mm with a magnification of x 10.
Pocket type magnifier mounted in single body with a metal cover which doubles as a handle fitted with a single lens of diameter 18 mm with a magnification of x 10.
A mains operated Ultra Violet light source ideally suited to demonstrate use. Comes complete with an on/off switch. The tube is 45cm long and is housed in a UV reflective plastic housing. Suitable for showing the fluorescing propert
For use with the mounted solar cell or on its own. A12V, 24W S.B.C. bulb in a metal socket mounted on a base with pair of 4 mm sockets
For use with the mounted solar cell or on its own. A12V, 24W S.B.C. bulb in a metal socket mounted on a base with pair of 4 mm sockets
For use with the motor to demonstrate the \nproduction of electrical energy directly from \nlight energy. The apparatus comprises a \nselenium photo-voltic cell.
For use with the motor to demonstrate the \nproduction of electrical energy directly from \nlight energy. The apparatus comprises a \nselenium photo-voltic cell.
For demonstrating that white light may be composed from all the spectral colours by rotation of the multi coloured disk. Comprising of a 200mm disc, and driven by gears with the help of driving wheel fitted with a handle can be clamped to a desk.
A flat glass plate and a slightly convex lens of 50 mm diameter Are placed in a metal frame with three pressure adjusting screws to produce Newtons Rings.
Can be used to filter light sources for special effects and in scientific experiments. Supplied in pack of 5 assorted colours. Each piece 100 x 140mm approx.
Periscope that allows the view of an obstructed field above or below the level of viewer. It is a Z shaped tube with mounted mirrors on both sides at 45° facing each other.
These pigments normally have a pale, off-white appearance but in sunlight or UV light they instantly change to a bright, vivid colour. The pigments revert to their pale colour when away from sunlight or UV light. If the pigment is mixed with a bin
These pigments normally have a pale, off-white appearance but in sunlight or UV light they instantly change to a bright, vivid colour. The pigments revert to their pale colour when away from sunlight or UV light. If the pigment is mixed with a bin
These pigments normally have a pale, off-white appearance but in sunlight or UV light they instantly change to a bright, vivid colour. The pigments revert to their pale colour when away from sunlight or UV light. If the pigment is mixed with a bin
These pigments normally have a pale, off-white appearance but in sunlight or UV light they instantly change to a bright, vivid colour. The pigments revert to their pale colour when away from sunlight or UV light. If the pigment is mixed with a bin
A digital timer with multi functions. It can be used with photo gates to observe the frequency, time interval and as counter during the various experiments. It is a compact handy device operates on po
8 cardboard boxes 150 x 100 x 100 mm with hole, screen and lid, filament lamp, 50 sheets of black paper 200 x 250 mm, one 60 watts lamp, one mounted lamp holder with flex, one packet of pins.
Non-optically worked with polished faces, edges slightly beveled. Nominal angles 60 x 60 x 60.
Non-optically worked with polished faces, edges slightly beveled. Nominal angles 60 x 60 x 60.
Non-optically worked with polished faces, edges slightly beveled. Nominal angles 90 x 45 x 45. Size: 50mm
Non-optically worked with polished faces, edges slightly beveled. Nominal angles 90 x 45 x 45. Size: 50mm
Laser Ray Box 5 Beams. Side by side lasers,1.6cm apart, 650 nm wavelength. Will easily demonstrate the following when used with suitable optics. Light bending by reflection, focusing effect, reflection with mirrors, Fre
This system provides a cost effective and simple to use light gate and millisecond timer for use with linear air tracks and measuring 'G by Free Fall' Each light gate has 4 threaded holes in various h
A set of brightly coloured hand magnifiers, ideal for investigating bugs, leaves and patterns in nature. 60mm dia lens with 3x magnification. Supports the following areas of learning: • Understanding
A ray box consisting of a rugged sheet metal box with a 12 V, 10 W festoon type axially straight filament lamp. Fitted with a cartridge for holding 4 types of slits – single, double, triple and wide slots Ideal for quick adjust
An all metal ventilated lamp house having an open front with extended sides \nfinned externally for heat dissipation and vertical internal grooves to accommodate a slit plate. It has a light source comprising of a 12 volts lamp in a holder with on
An all metal ventilated lamp house having an open front with extended sides \nfinned externally for heat dissipation and vertical internal grooves to accommodate a slit plate. It has a light source comprising of a 12 volts lamp in a holder with on
The Battery Laser Ray Box has many advantages over a standard ray box. These include: Battery operated - technicians do not need to move power supplies from lab to lab Ease of movement during ray opti
Single moulded leak proof semicircular acrylic tank to perform a variety of light experiments and to find out the refractive index of different liquids. A protractor for measuring the angle of refraction with a circular scale
Sufficient for approximately 500 sample spots) A mixture of cyan, magenta, blue inks which appear black when mixed and separates out into bright constituent colours when subject to card chromatography or electrophoresis.
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Non-RoHS Photoconductive cadmium sulphide cell with a spectral response similar to the human eye. As light falling on the cell increases, so the resistance of the cell decreases. Peak spectral response: Typ. 550 nm
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
UT383 is a MiniLight Meter equipped with photo electricsensing technology, which can effectively represent light intensity with electrical signals, then processes data and displays the result on LCD. It is light weight, compac
This meter is a precision instrument used to measure illuminance in the fi eld. It meets \nCIE photopic spectral response and is fully corrected for angular incidence of light. \nSupplied with carry case instruction manual and battery. Measuring r
Practical paper chromatography offers motivational learning opportunities, but relies on standard analytical grade papers or much less satisfactory alternatives such paper towelling. Select School Supplies can now offer a really low-cost al
Good quality, hard wearing magnifiers with dual magnification. Specification 45mm. Pk10.
Pocket type magnifier mounted in single body with a metal cover which doubles as a handle fitted with a single lens of diameter 18 mm with a magnification of x 10.
Pocket type magnifier mounted in single body with a metal cover which doubles as a handle fitted with a single lens of diameter 18 mm with a magnification of x 10.
A mains operated Ultra Violet light source ideally suited to demonstrate use. Comes complete with an on/off switch. The tube is 45cm long and is housed in a UV reflective plastic housing. Suitable for showing the fluorescing propert
For use with the mounted solar cell or on its own. A12V, 24W S.B.C. bulb in a metal socket mounted on a base with pair of 4 mm sockets
For use with the mounted solar cell or on its own. A12V, 24W S.B.C. bulb in a metal socket mounted on a base with pair of 4 mm sockets
For use with the motor to demonstrate the \nproduction of electrical energy directly from \nlight energy. The apparatus comprises a \nselenium photo-voltic cell.
For use with the motor to demonstrate the \nproduction of electrical energy directly from \nlight energy. The apparatus comprises a \nselenium photo-voltic cell.
For demonstrating that white light may be composed from all the spectral colours by rotation of the multi coloured disk. Comprising of a 200mm disc, and driven by gears with the help of driving wheel fitted with a handle can be clamped to a desk.
A flat glass plate and a slightly convex lens of 50 mm diameter Are placed in a metal frame with three pressure adjusting screws to produce Newtons Rings.
Can be used to filter light sources for special effects and in scientific experiments. Supplied in pack of 5 assorted colours. Each piece 100 x 140mm approx.
Periscope that allows the view of an obstructed field above or below the level of viewer. It is a Z shaped tube with mounted mirrors on both sides at 45° facing each other.
These pigments normally have a pale, off-white appearance but in sunlight or UV light they instantly change to a bright, vivid colour. The pigments revert to their pale colour when away from sunlight or UV light. If the pigment is mixed with a bin
These pigments normally have a pale, off-white appearance but in sunlight or UV light they instantly change to a bright, vivid colour. The pigments revert to their pale colour when away from sunlight or UV light. If the pigment is mixed with a bin
These pigments normally have a pale, off-white appearance but in sunlight or UV light they instantly change to a bright, vivid colour. The pigments revert to their pale colour when away from sunlight or UV light. If the pigment is mixed with a bin
These pigments normally have a pale, off-white appearance but in sunlight or UV light they instantly change to a bright, vivid colour. The pigments revert to their pale colour when away from sunlight or UV light. If the pigment is mixed with a bin
A digital timer with multi functions. It can be used with photo gates to observe the frequency, time interval and as counter during the various experiments. It is a compact handy device operates on po
8 cardboard boxes 150 x 100 x 100 mm with hole, screen and lid, filament lamp, 50 sheets of black paper 200 x 250 mm, one 60 watts lamp, one mounted lamp holder with flex, one packet of pins.
Non-optically worked with polished faces, edges slightly beveled. Nominal angles 60 x 60 x 60.
Non-optically worked with polished faces, edges slightly beveled. Nominal angles 60 x 60 x 60.
Non-optically worked with polished faces, edges slightly beveled. Nominal angles 90 x 45 x 45. Size: 50mm
Non-optically worked with polished faces, edges slightly beveled. Nominal angles 90 x 45 x 45. Size: 50mm
Laser Ray Box 5 Beams. Side by side lasers,1.6cm apart, 650 nm wavelength. Will easily demonstrate the following when used with suitable optics. Light bending by reflection, focusing effect, reflection with mirrors, Fre
This system provides a cost effective and simple to use light gate and millisecond timer for use with linear air tracks and measuring 'G by Free Fall' Each light gate has 4 threaded holes in various h
A set of brightly coloured hand magnifiers, ideal for investigating bugs, leaves and patterns in nature. 60mm dia lens with 3x magnification. Supports the following areas of learning: • Understanding
A ray box consisting of a rugged sheet metal box with a 12 V, 10 W festoon type axially straight filament lamp. Fitted with a cartridge for holding 4 types of slits – single, double, triple and wide slots Ideal for quick adjust
An all metal ventilated lamp house having an open front with extended sides \nfinned externally for heat dissipation and vertical internal grooves to accommodate a slit plate. It has a light source comprising of a 12 volts lamp in a holder with on
An all metal ventilated lamp house having an open front with extended sides \nfinned externally for heat dissipation and vertical internal grooves to accommodate a slit plate. It has a light source comprising of a 12 volts lamp in a holder with on
The Battery Laser Ray Box has many advantages over a standard ray box. These include: Battery operated - technicians do not need to move power supplies from lab to lab Ease of movement during ray opti
Single moulded leak proof semicircular acrylic tank to perform a variety of light experiments and to find out the refractive index of different liquids. A protractor for measuring the angle of refraction with a circular scale
Sufficient for approximately 500 sample spots) A mixture of cyan, magenta, blue inks which appear black when mixed and separates out into bright constituent colours when subject to card chromatography or electrophoresis.
Showing products per page