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HE1008535HE1008535
Double ‘C’-core and Clip Pack of 1 As used in the 'Westminster' Electromagnetic Kit (B8A47659) and with coils (B8A47818). Each core is laminated from low loss iron strip to form a roughly rectangular core 90 x 50 x 22mm approximately with a cross section of 22mm x 12mm and is cut across the middle to produce two equal C's. A strong...
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HE1008542HE1008542
Philip Harris Lamp and Stand Pack of 1 Comprising a 12V 24W projection lamp in a conical lamphouse mounted on an adjustable boss. The lamphouse has cut-outs in its side giving a clear passage for the light while restricting the amount of stray illumination. The assembly is supported on a rod with a triangular cast base. Excellent for ...
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HE1008549HE1008549
Philip Harris Eddy Current Unit Pack of 1 For demonstration of eddy current braking when used in conjunction with the motor generator unit (b8H25560). The 120mm diameter aluminium disc has a 20mm driving pulley. The powerful circular magnets are carried on a pivoted arm so that they may be moved over or away from the disc as required.Dimens...
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HE1008551HE1008551
UNILAB BEK Cell Holder Pack of 1 BEK Single cell holder with 4mm sockets ingeniously moulded so that a cell can only be inserted the correct way around.Accepts 1 x Zinc Carbon D cell (not included available to purchase separately - B8R05412).A BEK 4-Cell Holder is also available (B8R01324).
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HE1008556HE1008556
UNILAB Solid State Laser Pack of 1 Designed for safety the Unilab Solid State Laser is now very low-power (1mW) and is protected by a key switch to prevent it's unsupervised use. The power output places the laser in 'Class 2' as recommended for use in schools and colleges. No damage is likely should a stray reflection of the beam e...
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HE1008557HE1008557
Philip Harris Optical Bench (Wooden) Pack of 1 This 1.5M wooden Optical Bench offers a cost effective alternative to metal optical benches.It consists of a wooden baseboard measuring 1.6M x 140mm with a 1.5m scale divided in mm plus 6 sliding moulded bases (100mm x 50mm each) with index line brass pillar and locking screw.The following access...
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HE1008568HE1008568
Friction Rod: Polycarbonate Strip - 250mm x 25mm Pack of 1 Polycarbonate Friction Rod (strip) for producing electrostatics charge by friction.Dimensions:Length: 250mmDiameter: 25mmAlternative rod materials are available to purchase separately:Ebonite - B8A47958Perspex - B8A47969Polythene - B8H26631
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HE1008599HE1008599
Philip Harris Projectile Launcher Pack of 1 An ideal piece of apparatus for investigating the motion of projectiles. The apparatus can easily be clamped to a bench/desk (clamp provided) and the angle of projection can easily be adjusted through 90°.The angle is read by means of a plumb line that hangs past an angle measurer that is attach...
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HE1008613HE1008613
Bell in a Bell Jar Experiment Pack of 1 An ideal solution to the common physics experiment demonstrating that sound will not travel in a vacuum.Place the bell jar on the pump plate briefly connect the power supply so that the bell can be heard ringing. Connect a vacuum pump to the pump plate and evacuate as much air as possible. Close th...
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HE1008635HE1008635
Philip Harris Spouting Cylinder Apparatus Pack of 1 To demonstrate Torricelli's law that pressure increases with depth. Consists of a solid metal cylinder (50mm diameter) with three equal size orifices at different heights down one side.Height: 400mm.Diameter 60mm.Includes comprehensive instruction manual.
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HE1008654HE1008654
Philip Harris Bourdon Gauge Pack of 1 Simple circular gauge used for the measurement of actual (total gaseous) pressure.The dial from reads 0 to 3.4 x 105 Pa actual (total) pressure.The case has a clear Perspex back so that the working parts may be seen.A tubule 8mm diameter provides connection to the system under investigation.With n...
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HE1008655HE1008655
Hooke's Law Apparatus Pack of 1 The Hooke's Law Apparatus is used to demonstrate that the relationship between the extension on a spring is proportional to the load applied to it. The apparatus consists of a high quality moveable 120mm scale that is mounted on a simple stand and base. A combined mass hanger/pointer is provided a...
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HE1008657HE1008657
Philip Harris Demonstration Electric Motor Pack of 1 A model of the simplest form of d.c. electric motor having a 2-pole armature wound with enamelled copper wire and a permanent magnetic field provided by a removable magnet. The construction of the model is completely open and all components are readily observable. A disc-type commutator is incor...
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HE1008658HE1008658
Philip Harris Demonstration Dynamo Pack of 1 The Demonstration Dynamo includes 2-pole armature wound with enamelled copper wire and a permanent magnetic field provided by a removable magnet. The construction of the model is completely open and all components are readily observable. This model is mounted on a 200 x 125mm baseplate which also ...
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HE1008660HE1008660
Leslie’s Cube Pack of 1 Tinplate box with 100mm sides. The vertical faces of the box are blackened roughened varnished and polished respectively. The top opening is fitted with a lid. The apparatus is filled with water and an external infrared sensor (such as a digital infrared thermometer) may be used to compare the rel...
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HE1008661HE1008661
Philip Harris Ray Box Slit Plates - Pack of 5 Pack of 1 Spare Ray Box slit plates suitable for the Philip Harris Ray Optics Box (B8R06342) & the Battery Operated Ray Box (B8R06343).Dimensions: 50mm x 100mmPack of 5
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HE1008664HE1008664
Double Convex Spherical Lenses: +20D FL:50mm - Pack of 5 Pack of 1 Spherical Lenses: Double ConvexWith optically worked faces and ground edges for educational purposes.Diameter: 38mmFocal Length: 50mm Power: +20DRefractive index: 1.52 approx.Material: Float GlassPack of 5
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HE1008665HE1008665
Double Convex Spherical Lenses: +20D FL:50mm - Pack of 5 Pack of 1 Spherical Lenses: Double ConvexWith optically worked faces and ground edges for educational purposes.Diameter: 50mmFocal Length: 50mmPower: +20DRefractive Index: 1.52.Material: Float GlassPack of 5
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HE1008666HE1008666
Double Convex Spherical Lenses: +10D FL:100mm - Pack of 5 Pack of 1 Spherical Lenses: Double ConvexWith optically worked faces and ground edges for educational purposes.Diameter: 50mmFocal Length: 100mmPower: +10DRefractive index: 1.52 approx.Material: Float GlassPack of 5
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HE1008667HE1008667
Double Convex Spherical Lenses: +6.6D FL:150mm - Pack of 5 Pack of 1 Spherical Lenses: Double ConvexWith optically worked faces and ground edges for educational purposes.Diameter: 50mmFocal Length: 150mmPower: +6.6DRefractive Index: 1.52 approx.Material: Float GlassPack of 5
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