Keeping time through the ages

the history of tools used to measure time

Examines how time has been measured through history, by such methods as observation of natural cycles and different kinds of clocks and watches.

PowerKids Press
2004
9780823989935
book
Lexile: 
1 010

Holdings

hidmidmiidnidwidlocation_codelocationbarcodecallnumdeweycreatedupdated
279216262786862387413944577634GEH226GVS0017412529 LEV52916377825731736800991