| |
 |
|
Ring and Ball, Gravesande's
(HT-1506) |
It consists of a 25 mm dia brass ball, secured to a brass ring
by a chain, with wooden handle. Brass ball when cold will
pass through the ring, but when heated, it will not. Thus this
simple apparatus demonstrates effectively the thermal
expansion.
A. Ball Dia 25 mm B. Ball Dia 18 mm |
|
|
|
|