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PHYSICS


PHYSICS | Spares and Accessories


SPARES & ACCESSORIES Ray Box Spares


Collimating Lens for Ray Box Spare collimating lens for Ray Optics Boxes.


E8G98635 Colour Filters Standard colour filters. E8R05407 pack 6 £114.95


Diffraction Grating In 50 x 50mm mounts.


E8A46279 E8A46280


300 lines/mm each £11.95 600 lines/mm each £19.95


Festoon Lamp 10W 12v Festoon Lamp suitable for the Economy


Science Ray Optics Box F4H77390 / B8H77390. Size: 15 x 44mm.


E8A91753 Light Box The light box, with formers for a collimating lens


power supply. Supplied without filters. Includes pair of slit plates.


and slit plates. This ray box is more versatile and allows all colour mixing experiments due to the hinged mirrors provided. Comprises of a bright halogen lamp, with 4mm sockets. Requires 12V


E8A44271 Set of Slit Plates E8A44222


Spare slit plates for the Light Box and Optical Set. pair £4.69


Slit Plate for Low Cost Ray Box Spare slit plates for Economy Science Ray Optics


Box F4H77390 / B8H77390. 45 x 75mm. Suitable to be used with both the Ray Optics Box and Battery Operated Ray Optics Box.


E8G98647 E8R02149


Spare Halogen Bulb 12V, 20W.


Spare Lens


Spare 50mm double convex cylindrical lens for Philip Harris Ray Optics Box F4H77468/ B8H77468.


E8R01336 Spare Slit Plates


Spare slit plates for Philip Harris Ray Optics Box F4H77468. 50 x 100mm.


E8L26955 pack 5 £5.79


Worcester Circuit Board Circuit Board Only


Spare board for the Worcester Board. E8H26953 E8H26849 E8H26813 E8R05734 E8H26837 350 each £33.95 White Cotton Connector with Rheostat each £6.79 E8R01314 Connectors with Lamp Holder pack 10 £15.95


D Cell Battery, LR20 1.5V


pack 10 £13.95 Plain Spring Connectors 90m approx. per reel. pack 10 £24.95


Planck’s Constant Apparatus Narrow Band Filters


Recommended for A-level experiments. E8R05408 pack 10 £15.95 E8H28615 pack 3 £54.95


Planck’s Constant Apparatus Planck’s Constant Unit


each £5.39


Motor Construction Armatures


Moulded, 44 x 30 x 12mm, complete with winding grooves, sockets for index straws and metal bearing tube.


E8H26369 Shafts 100 x 2mm diameter approx. E8H26412 pack 10 £6.89 E8R06453 pack 10 £8.69 E8R06452 each £35.95 Stainless Steel 304 Wire


15m coil of 0.45mm, 10m coil of 0.56mm, 10m coil of 0.71mm and 5m coil of 0.90mm.


E8R06073 pack 4 £11.95 Wires for Young’s Modulus


Contains 1 each of: 0.90mm bare copper, 0.71mm bare brass, 0.90mm bare brass, 0.56mm stainless steel, 0.71mm stainless steel, 0.90mm stainless steel. All 125g reels.


E8R06010 pack 6 £43.95


Student and Easy-Read Meters Shunts


E8H31201 50A/100mA d.c. each £23.95 E8H30427


pack 5 £3.59 E8H30385 each £4.29


1A/5A d.c. 2A/10A d.c.


1/5/10A a.c.


each £19.95 each £19.95


E8H30932 1mA/10mA d.c. each £24.95 E8H31080 10/50/100mA a.c. each £49.95 E8H30683


E8R01296 each £2.09 Push Button Switches E8H26904 Rectifier E8H26850 Resistor E8H26862 Spare Pegs pack 5 £16.95 E8H26939 E8R07428 Wires Copper Wire, Tinned, PVC Covered


Standard 0.6mm solid core equipment wire, to BS4808. 100m length.


E8A90929 Green each £12.95 Sonometer Wires, Brass and Steel


Pack of 6 wires, brass and steel, length 1.5m, in 3 diameters 0.7, 0.56 and 0.46mm. Ends looped ready for use.


E8H25821 pack 6 £8.29 pack 10 £15.95


Spare Battery Clip for Worcester Circuit Board


pack 10 £9.59 each £2.99 each £1.5 pack 10 £41.95 Linear Air Track Air Track Accessories


The accessory set includes: 10 x Bolt and Wing Nuts 4 x Spring Attachments 4 x Springs


2 Pairs x Hook and Loop Attachment Pairs 1 x Pulley 2 x String


1 x Slotted Mass and Hanger: Weights 5g - 4 pieces and Hanger 5g 8 x Photogate Flags 2 x Photogate Arms 1 x Launching Cradle 8 x Assorted Masses 8 x Risers


2 x Rubber Bands 1 x Hook for Spring 4 x Pins


Please note the accessories are not compatible with previous versions of the Linear Air Track. Compatible with Air Track E8R06433.


E8R06364 pack £100.95


Boyle’s Law Apparatus Light Red Oil


E8A41750 250mL Bulbs Low Voltage Bulbs


With straight axial filament; double contact; S.B.C. Dimensions 55 x 38mm diameter approx.


12V 36W each £2.19 Low Voltage Bulbs - 38mm


With straight axial filament; double contact; S.B.C. Dimensions 55 x 38mm diameter approx. For


Philip Harris Ray Optics Box F4H77468/B8H77468. E8A56820


12V 24W Accessories Mild Steel Yoke - 50mm wide E8H26370 Ball Bearings


E8R05054 Dual 3.5mA d.c. each £13.95 Multipliers


E8H31043 E8H31006


5V/10V d.c. 1V/5V d.c.


each £62.95 E8R05984


E8R05986 E8R05985


each £24.95 each £18.95


High quality steel ball bearings. 3mm


13mm 25mm


Ceramic Microphone


This high impedance, high sensitivity unit may be used with a power amplifier for public address or connected directly to an oscilloscope (page 77) to


show audio waveforms. Fitted with 90cm screened flex and two 4mm plugs.


E8H27581 each £28.95 Lockmaster and Ranger PSU Key


Spare key for the Lockmaster and Ranger PSUs. E8R06167


2.5mm Allen Key


Suitable for use with many products including the Retro Basic and Regulated PSU.


2.5mm 3mm Allen Key


Spare for the Retro Ranger PSU. 3mm


Ticker Tape Paper Tape


16mm wide. Spare paper tape for the Ticker Tape Timer.


E8R07098 Paper Tape


15mm wide. Spare paper tape for the Ticker Tape Timer.


each £557.95 E8R07097 Quality, Choice, Innovation pack 10 £13.95 each £5.29 each £4.49 each £4.49 each £4.39


pack 50 £4.89 pack 10 £5.69 pack 5 £10.95


pack 10 £35.95 each £1.89 each £14.95


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