253) on a like subject, proceed to describe a most ingenious form of " Ghost Micrometer," in which the image of a fine line or lines ruled in (or rather cut through) a silver film deposited on glass is formed at the common focus of an object-glass and eyepiece of a telescope.
There was much true poetry in the verse, and much sound sense and keen observation in the prose of these works; but the poetical feeling and lyrical facility of the one, and the more solid qualities of the other, seemed best employed when they were subservient to his rapid wit, and to the ingenious coruscations of his fancy.
In the judgment of D'Alembert the Cartesan theory was the best that the observations of the age admitted; and " its explanation of gravity was one of the most ingenious hypotheses which philosophy ever imagined."
All remaining impurities, including the excess of oxygen, can then be taken out of the gas by Sir James Dewar's ingenious method of absorption with charcoal cooled in liquid air.
But he is always ingenious, often witty, and nobody has carried farther than he the harmony of diction, sometimes marred by an affectation of symmetry and an excessive use of antithesis.
Great improvements, however, have been effected in the design of open fireplaces, and many ingenious contrivances of this nature are now in the market which combine efficiency of heating with economy of fuel.
A very ingenious call-bell arrangement was devised, capable of responding only to regularly reversed battery currents, but not 1 See Fahie, History of Wireless Telegraphy, p. 170; also 5th Report (1897) of the Royal Commission on Electrical Communication with Lightships and Lighthouses.
It rested on a mass of legal assumptions and subtleties, fallacious indeed, but ingenious, and, as the result proved, effective.
Although his making religion the sole factor of this evolution was a perversion of the historical facts, the book was so consistent throughout, so full of ingenious ideas, and written in so striking a style, that it ranks as one of the masterpieces of the French language in the 19th century.
Spengel has, however, in a most ingenious way shown that these bodies are the representatives of the typical pair of ctenidia, here reduced to a mere rudiment.
Fine stone palaces, richly decorated, with separate sleeping apartments, large halls, ingenious devices for admitting light and air, sanitary conveniences and marvellously modern arrangements for supply of water and for drainage, attest this fact.
It had up to this time been little more than the shuffling of cards, the ingenious arrangement of counters in a pretty pattern.
Charles Emmanuel achieved a great reputation as a statesman and warrior, and increased the prestige of Savoy, but he was too shifty and ingenious, and his schemes ended in disaster.
It is a chapter very difficult to write, for while on the one hand an ingenious and speculative historian may refer to the influence of the Crusades almost everything which was thought or done between r too and 1300, a cautious writer who seeks to find Brehier, L'Eglise et l'Orient, p. 347.
He was, however, an able and conscientious experimenter, and was very fertile and ingenious in devising physical apparatus.
He evolved an ingenious solution of the duplication of the cube, which shows considerable knowledge of the generation of cylinders and cones.
Many ingenious devices for forming bars have been produced; but generally a strong frame is used, across which steel wires are stretched at distances equal to the size of the bars to be made, the blocks being first cut into slabs and then into bars.
Holtzmann's elaborate and very ingenious theory (1872) that Colossians has been expanded, on the basis of a shorter letter of Paul, by the same later hand which had previously written the whole of Ephesians, has not met with favour from recent scholars.
He accordingly raised the question of its apostolic origin; and by reviving old difficulties, with ingenious arguments of his own, he carried his point.
This is a highly ingenious hypothesis to explain the discrepancies of the text, but is, after all, nothing but hypothesis.
From the Greek sophists they borrowed ingenious ways of playing off one duty against another, or duty in general against self-interest - leaving the doubter in the alternative of neglecting the one and being a knave, or neglecting the other and being a fool.
His treatises are not only storehouses of ingenious methods, but models of symmetrical form.
Many of the solutions are most ingenious, and some of the constructions of considerable practical importance.
But, as applied to lower and more obscure forms of life, teleology presented alfnost insurmountable difficulties; and consequently, in place of exact experiment and demonstration, the most reckless though ingenious assumptions were made as to the utility of the parts and organs of lower animals.
His object was to popularize among his countrymen the astronomical theories of Descartes; and it may well be doubted if that philosopher ever ranked a more ingenious or successful expositor among his disciples.
Then in the 1940s, another American, Oswald Avery, was able to show, through an ingenious method, that the genetic information had to be carried by the DNA.