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<DIV><FONT face="Times New Roman">Has anyone heard whether there is a problem
with using a windup-spring operated chess clock on Shabbos and Yom Tov?
</FONT></DIV>
<DIV><FONT face="Times New Roman">In case you don't know, a chess clock is two
timers in one case that are used to limit the time available for each player's
moves. The case has a button atop each timer. When a player finishes his move,
he presses his button; his timer stops and the other player's timer starts. Here
is a picture: <BR><A
href="http://www.ibknight.com/images/ChessClocks/CGLClockBlue1.JPG">http://www.ibknight.com/images/ChessClocks/CGLClockBlue1.JPG</A></FONT></DIV>
<DIV><FONT face="Times New Roman"></FONT> </DIV>
<DIV><FONT face="Times New Roman">Aryeh Frimer</FONT></DIV>
<DIV><FONT face="Times New Roman"></FONT> </DIV>
<DIV><FONT face="Times New Roman"><FONT
face=Arial>--------------------------------------------------------<BR>Dr. Aryeh
A. Frimer<BR>Chemistry Dept., Bar-Ilan University<BR>Ramat Gan 52900,
ISRAEL<BR>E-mail: </FONT><A href="mailto:FrimeA@mail.biu.ac.il"><FONT
face=Arial>FrimeA@mail.biu.ac.il</FONT></A><BR></DIV>
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