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How an Hourglass Measures Time

     
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 Glossary

Students learn about the many factors which contribute to the accuracy of an hourglass.

https://web.archive.org/web/20200306043415/https://www.loc.gov/everyday-mysteries/item/how-does-an-hourglass-measure-time/


About this resource
Available in the following languages
Subject area
Physics
Resource level
Any Level
Resource type

Images and Illustrations

Readings

نویسنده

ناشر

Library of Congress

جواز/ دارنده حق چاپ

CC 0 / public domain

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