Dramatic demonstration with only the heat from your hand. Two glass bulbs are connected with a glass tube and contain a colored, volatile liquid. Holding one of the bulbs in your hand causes the liquid to boil and the vapor to move into the other bulb where it bubbles rapidly. ..

Brass Ball with handleBall is hanging with rod through a chainA brass ring is mounted on a brass rod with wooden handleSize:13 mm19 mm..

Brass Ball with handleMounted on stand, with ball suspended from adjustable rodA brass ring is mounted on a brass rod with wooden handleSize:13 mm19 mm25 mm..

It contain:Comprising six cylinders of diameter about 16mm, with weight of each cylinder adjusted to 100g.Includes one cylinder each of copper, lead, brass, zinc, iron and aluminium.Cylinders vary in length from 5cm to 19cm to get the same mass and are drilled across cross-section near one end for suspension.Metal cylinders rest in the cylindrical ..

Cylindrical copper vessel 180 x 100 mm (Ht x diameter) with filling tube vertical tube terminating brass tube. central tube to carry thermometer...

Thermal Conductivity Apparatus of Metal, Metal Strips mounted on circular or Square wooden frameCircularSquar..