Clocks and how they go / Gibbons, Gail

Author:

ISBN13: 
9780690039733
9780690039740
LCCN: 
7822498
Compare Title: 
clocksandhowtheygo
Call Number: 
681

Clocks and how they go

  • Gibbons, Gail
1979
Describes the weight clock and the spring clock and how they work.
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