Show riot not all aff acted alike the objects in a room which has been kept at an even temperature of heat will all be the same temperature although some of them may feet feel colder than others to the hand or fingers for instance Inq tance the keys of a piano will feel colder than the wood of the piano case the difference Is due to the fact that heat or cold will run through some objects more quickly than through others when you touch a thing with your fingers you supply some of the heat of your body to the object through your finger if the object Is the tiling on the hearth or the like keys of the piano the heat runs through it quickly and you get a cold impression in your linger finger on the other hand you will set get a warm feeling ullen ii hen touching upholstery or wool wood because the heat runs more slowly through them |