Every Ford circle is tangent to the horizontal axis y=0, and any two Ford circles are either disjoint or meet at a tangent.
prince + -ess → princess
[…] he conned his course in masterly fashion by aid of the roller-map, protected by its transparent, rainproof casing, or the compass, clock, altimeter, and other instruments gimballed in the wooden frame in front of the pilot’s seat.
Psychologists... are mostly bad historians, inventing—as Freud has done—their pre-history to suit their theories.
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