Now, Physicists, take warning, Observe this sober test. When new fleas are a-borning Make sure they're fully dressed!


Thirty Years That Shook Physics, First Part (p. 193), Doubleday & Company, Inc. 1966


Now, Physicists, take warning, Observe this sober test. When new fleas are a-borning Make sure they're fully dressed!

Now, Physicists, take warning, Observe this sober test. When new fleas are a-borning Make sure they're fully dressed!

Now, Physicists, take warning, Observe this sober test. When new fleas are a-borning Make sure they're fully dressed!

Now, Physicists, take warning, Observe this sober test. When new fleas are a-borning Make sure they're fully dressed!