Excerpt from A Manual of the Barometer: Containing an Explanation of the Construction and Method of Using the Mercurial Barometer, With Appropriate Tables for Corrections for Temperature, and Rules for Obtaining the Dew-Point and the Heights of Mountains; To Which Are Added, an Original Table O The curious may amuse themselves with the action of the weight of the atmosphere in the following manner: Take a glass tube of uniform bore, open at...