text: For foot, horseback or automobiles?\n\nYou might try the early 1900s, the last reference I can find is in the 1950s.\n\nHowever, a few rental shops can acquire the temporary loan of a ball that would be suitable for your purposes.  Simply describe the size and type of sphere you wish to use, and they can come up with a substitute.\n\nAlso, athletic supply houses may be able to provide a similar ball, although it is used more as an exercise ball, not a medicine ball.