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Two interchangeable electrodes are supplied - a 50mm disc on a peg and an elongated hook 160mm long
What the Colours Show
Wedge Whiteboards offer an exclusive teaching aid solution at fantastic value for money
They can put their new skills into practise as they race to stack the most pancakes on their plate playing board
Slave Light Gate Age 4-5 Two interchangeable electrodes are suppliedOur popular UNILAB Light Gate is fully protected against incorrect connection of signal or power and supplies from 9 to 25V a. c or d. c. can be used. A signal LED indicates that the unit is functioning correctly when obstructed. The unit is compatible with all of our timing devices such as: Motion QED (B8H28020), Fast timer (B8H28573), Centi Second Timer Module and Stopclock (B8H27749 and B8H27507) and Scaler Timer.