n, April 17, 18, and 19, 1878, and the Washington Star or contraction of the substance under test is indicated on and Union newspapers published then gave a description of tors of changes of temperature, must now be consigned to the scale of the gal vanometer. the instrument. Copies of these papers… … bottom of a shallow circular cavity in the center of the disk. England’s trade in the East as much to “‘ the fraudulent folly In this cavity, and in contact with the head of the screw, of English manufacturers, who have lost their customers by E, the carbon button, F, is placed. Upon the outer face…
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