Linear Expansion Apparatus
Product Details:
It consists of a steam jacket(brass pipe) 50 cm long & 2.5 cm dia with inlet & outlet tubes for steam &opening for a thermometer fitted with speedometer which reads up to 0.01 mm.
The exact setting at which it contacts the rod may be indicated by using an electric contacting circuit,such as a dry cell or buzzer.
Complete with 3 test rods