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2 produkter

1. 

   How to Make a Weight-Driven Clock

   Av Richard Simmonds

   Inbunden, 2025

   373 kr

   Lägg i varukorg

   For many centuries, a falling weight has been used as an energy source to drive mechanical clocks. It is a versatile and constant force that has been used to power clocks, from the great cathedral clocks of the world to precision timekeepers, astronomical regulators, the longcase clock and many …

2. 

   How to Make a Weight-Driven Clock

   Av Richard Simmonds

   E-bok, 2025

   378 kr

   Lägg i varukorg

   For many centuries, a falling weight has been used as an energy source to drive mechanical clocks. It is a versatile and constant force that has been used to power clocks, from the great cathedral clocks of the world to precision timekeepers, astronomical regulators, the longcase clock and many …