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Clocks, Scales and Measurement
Pam Robson
Paperback (Franklin Watts Ltd, Oct. 26, 1995)- paperback versions of the highly successful hardback series; - exciting hands-on experiments and projects explore scientific principles; superb colour photography.
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Wheels, Pulleys and Levers
Mick Seller
Hardcover (The Watts Publishing Group, June 10, 1993)None