To illustrate that a body impeed horizontally will fall vertically
at the same rate as a similar body allowed to fall freely.
Comprises spring loaded, L section launcher with holes for
locating two 19 mm dia steel balls which act as projectiles.
Launcher is released by push button and projects one ball
forward which allows the other to fall freely mounted on wooden
block, 180 X 60 X 30 mm with storage pocket for balls. Complete
with 2 steel balls.