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|This image came from Stéphane Guglielmi.He suggests that W & E means "Witch
and Essel" but I rather fear that is an attempt by Lord Voldemort to use a "Witch
and Evil" to win the quidditch world cup. (apologies to those who are not Harry
Potter fans and who won't understand much of this!).
|The following cartoon was produced following an exchange of postings on the egroups
slide rule forum about use of slide rules to calculate trajectories for artillery
My thanks to Larry Stewart for permission to use this cartoon.