Small portable clocks were in use at the end of the fifteenth century. Three interesting paintings now hanging in European galleries are here reproduced and the possibility that they portray such clocks is discussed.
This content is only available via PDF.
© 1956 American Association of Physics Teachers.
1956
American Association of Physics Teachers
AAPT members receive access to the American Journal of Physics and The Physics Teacher as a member benefit. To learn more about this member benefit and becoming an AAPT member, visit the Joining AAPT page.