Hopkinson sentence example
Judge Chase was defended by the ablest lawyers in the country, including Luther Martin, Robert Goodloe Harper (1765-1825), Philip Barton Key (1757-1815), Charles Lee (1758-1815), and Joseph Hopkinson (1770-1842).
Hopkinson pointed out that the greatest dissipation of energy which can be caused by a to-and-fro reversal is approximately represented by Coercive force X maximum induction fir.
As in Hopkinson's experiments, ring magnets were employed; these were wound with primary and secondary coils of insulated platinum wire, which would bear a much higher temperature than copper without oxidation or fusion.
According to Hopkinson's calculation, this sample behaved as if 91% of the iron contained in it had completely lost its magnetic property.'
Dr Hopkinson presented a rare combination of practical with theoretical ability, and his achievements in pure scientific research are not less intrinsically notable than the skill with which he applied their results to the solution of concrete engineering problems. His original work is contained in more than sixty papers, all written with a complete mastery both of style and of subject-matter.Advertisement
Hopkinson, working at Chance's glass works, subsequently made an attempt to produce a titanium silicate glass, but nothing further resulted.
It was the home for some years of Francis Hopkinson and of his son Joseph Hopkinson (whose residences are still standing), and from 1817 to 1832 and in 1837-1839 was the home of Joseph Bonaparte, ex-king of Spain, who lived on a handsome estate known as "Bonaparte's Park," which he laid out with considerable magnificence.
The formula indicates that the sensibility of the instrument should increase with the charge of the Leyden jar or needle, whereas Hopkinson found that as the potential of the needle was increased by working the replenisher of the jar, the deflection due to three volts difference between the quadrants first increased and then diminished.
Hopkinson had been inclined to attribute the anomaly to an increase in the tension of the bifilar threads, owing to a downward pull on the needle, but they showed that this theory would not account for the discrepancy.
He was a son of Thomas Hopkinson (1709-1751), a prominent lawyer of Philadelphia, one of the first trustees of the College of Philadelphia, now the University of Pennsylvania, and first president of the American Philosophical Society.Advertisement
Hopkinson's ballad is an imaginative expansion of the actual facts.
Hopkinson's principal writings are The Pretty Story (1774), A Prophecy (1776) and The Political Catechism (1777).
His son, Joseph Hopkinson (1770-1842), graduated at the University of Pennsylvania in 1786, studied law, and was a Federalist member of the national House of Representatives in 1815-1819, Federal judge of the Eastern District of Pennsylvania from 1828 until his death, and a member of the state constitutional convention of 1837.
Arts, 1890, 38, 885), which consists of a rectangular block of iron shaped like Hopkinson's yoke, and slotted out in the same way to receive a magnetizing coil (fig.
Soc. of Engineers, 1882, p. 145) and by Dr. John Hopkinson (Journal of Soc. of Arts, 1882, vol.Advertisement