FARGO — The principal of a liquid-in-glass thermometer is that the liquid inside a very narrow tube will contract and expand with temperature variation. The top of the liquid represents the ...
FARGO — The principal of a liquid-in-glass thermometer is that the liquid inside a very narrow tube will contract and expand with temperature variation. The top of the liquid represents the ...
A thermometer is made of a vacuum – sealed glass tube with the liquid inside being either mercury, alcohol or a hydrocarbon fluid. The liquid in the glass expands and contracts when the air inside is ...