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Illustrated by Alice Oehr
The Lockheed SR-71 "Blackbird" is a long-range
From an era when American women pulled up their trousers
such as altitude
Foucault's Pendulum 38cm rosie the riveter Illustrated by Alice OehrThe Foucault's Pendulum is a simple pendulum apparatus with a sand bath at the bottom. When set in motion, it gently "writes" an ever changing geometric pattern. The patterns get bigger then smaller then bigger again as the arc of the pendulum also changes. You're sure to marvel at the geometrical designs that it comes up with! 14. 9" high (38cm). Ages 8 and up.
US$ 150.00
US$ 102.00
US$ 1294.65
