Cooke, Josiah Parsons, 1827-1894 · Boston, Little, Brown and Company · leaf 202
ument, the faces whose inclination is to be measured areapplied between the arms, which are opened until they just admitthe angle, taking care that the edge made by the two faces isperpendicular to the plane of the instrument. It is easy to de-termine when the arms are closely applied to the faces… … 178 CHEMICAL PHYSICS. g h,l m, and can be shortened at pleasure, a provision which isfrequently important in the case of small crystals. Moreover,for measuring crystals partially imbedded, the arc is jointed at t,so that the part a t may be folded back on the other quadrant.Sometimes the arms admit…
Matter · Heat
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