Gage, Alfred P. (Alfred Payson), 1836-1903 · Boston, London, Ginn · leaf 177
latter from the former will show pre-cisely the change which has occurred between the observations. The aneroid can be made more sensitive (i.e. so as to show smaller changes of atmospheric pressure) than the mercurial barometer. Owing to this as well as to its con-venient size and portability, the… … Fig. 131. 1 For construction and methods of using verniers the student is referred toPickerings Manual of Physical Manipulations, or Stewart and Gees ElementaryPractical Physios. STAND A KD tRESSTjBIi. l6l 134. Standard pressure. — Many physical operations requirea standard pressure for reference.…
Physics
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