This arrangement renders very perceptible the alterations in volume of the mercury due to changes of temperature. It is true the glass expands and contracts also ; but only by about one-twentieth of the extent of the mercury. Regarding the bulbanbsp;...
|Title||:||The Engineers' Manual of the Local Marine Board Examinations, for Certificates of Competency, as Second and First-class Engineers ...|
|Author||:||Thomas Liddell Ainsley|