Word: focused
(lookup in dictionary)
(lookup stats)
Dates: during 1884-1884
Sort By: most recent first
(reverse)
...Webster. '85, will give a third lecture on the "Dynamics of Billiards." The subjects for discussion will be: I. The curvature of the cogs of wheels. II. Two circles are tangent to two given lines at two given points and also two tangent to each other. Find the focus of the points of contact of the circles...