Ramsden sentence example

ramsden
  • Beyond the introduction of the spider line it is unnecessary to mention the various steps by which the Gascoigne micrometer assumed the modern forms now in use, or to describe in detail the suggestions of Hooke, 4 Wren, Smeaton, Cassini, Bradley, Maskelyne, Herschel, Arago, Pearson, Bessel, Struve, Dawes, &c., or the successive productions of the great artists Ramsden, Troughton, Fraunhofer, Ertel, Simms, Cooke, Grubb, Clarke and Repsold.
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  • Quekett in his Treatise on the Microscope ascribes to Ramsden the practical introduction of the spider web in micrometers.
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  • This is known as Ramsden's eyepiece, having been made originally by him.
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  • The Cavendish dock adjoining the Ramsden dock on the E., 146 ac. in extent, has been leased by the Furness Railway Cp. to the firm of Vickers Ltd.
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  • In this construction the lenses are much closer together and the diaphragm for the eye is much farther from the lenses than in Ramsden's eye-piece.
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  • Ramsden's dioptric micrometer consists of a divided lens placed in the conjugate focus of the innermost lens of the erecting eye-tube of a terrestrial telescope.
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  • Repsold introduced essential improvements in the meridian circles by substituting microscopes (on Jesse Ramsden's plan) for the verniers to read the circles, and by making the various parts perfectly symmetrical.
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  • The image formed at P is viewed through the eye-piece at E, which may be of the Huygenian or Ramsden type.
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  • The town hall (1880) and the corporation offices (1877) are handsome classic buildings; the Ramsden Estate buildings are a very fine block of the mixed Italian order.
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  • In 1599 Queen Elizabeth sold it to William Ramsden, whose descendants still own it.
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  • By the beginning of the 18th century Huddersfield had become a "considerable town," chiefly owing to the manufacture of woollen kersies, and towards the end of the same century the trade was increased by two events - the opening of navigation on the Calder in 1780, and in 1784 that of the cloth-hall or piece-hall, built and given to the town by Sir John Ramsden, baronet.
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  • At this period we find, among a mass of horses and mares in the Stud-Book without any dates against their names, many animals of note with the earliest chronology extant, from Grey Ramsden (1704) and Bay Bolton (1705) down to a mare who exercised a most important influence on the English blood-horse.
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  • He died in 1780, and among other progeny left two famous sons, Woodpecker (1773), whose dam was Miss Ramsden (1760) by Cade, son of the Godolphin Barb, but descended also on the dam's side from the Darley Arabian and the Byerly Turk, and Highflyer (1774), whose dam was Rachel (1763) by Blank, son of the Godolphin Barb from a daughter of Regulus, also son of the Godolphin.
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  • L i =objective, L2 L3 = eyepiece of the Ramsden type.
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  • The exit pupil, often called Ramsden's circle, is thus accessible to the observer, who by headand eye-movements may survey the whole field.
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  • Both lenses together form the exit-pupil of the objective behind the eyelens, so that this image, the exit-pupil of the total system or the Ramsden circle, is accessible to the eye of the observer.
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  • The Ramsden eyepiece is the most convenient for this because this plane lies in front of the collective lens, and the objective image has not yet been influenced by the eyepiece.
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  • Jesse Ramsden developed the first satisfactory screw-cutting lathe in 1770.
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  • Thus the Corporation became its own Lord of the Manor and the Ramsden connection with Huddersfield, was finally severed.
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  • The heraldic shields at the first floor level indicate the marriage lines of the Ramsden family.
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  • In 1743 the Ramsden family were obliged to construct waterworks for the domestic use of Huddersfield inhabitants.
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  • In the Ramsden eyepiece (see Microscope) the focal lengths of the two piano-convex lenses are equal, and their convexities are turned towards one another.
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