| 单词 | vernier |
| 例句 | In the simplest terms, vernier acuity refers to the ability of the brain to process subtle differences in alignment detected in the eyes. Those aren't just three lines on Phil Mickelson's golf ball—they're science - Golf Digest 2019-02-13T05:00:00Z The lines, which are designed to assist putting accuracy, utilize vernier hyper acuity, the same visual technology used to land planes on aircraft carriers. The clubs Phil Mickelson used to win the AT&T Pebble Beach Pro-Am - Golf Digest 2019-02-11T05:00:00Z The model that the North tested included a cluster consisting of a main engine and four vernier thrusters — smaller engines used to adjust the craft’s velocity and stability. North Korea’s Test of Rocket Engine Shows ‘Meaningful Progress,’ South Says 2017-03-20T04:00:00Z In this instrument a considerable linear relative movement of the divided lens corresponds with a comparatively small separation of the double image, so that simple verniers reading to 1⁄1000 in. are sufficient for measurement. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" 2012-04-25T02:00:53.567Z When the line next to the 0 line on the vernier coincides with the line to the left of the inch line on the bar, the instrument is set to 11⁄1000 inches. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z A mariner's card, set into the opening with a metal vernier scale, is in the usual form of the mariner's compass card of the 18th century; it is executed as a line engraving. Early American Scientific Instruments and Their Makers 2012-03-15T02:00:31.610Z The position of the rod was determined by a scale fixed near the end of the arm, the arm itself carrying a vernier moving along the scale. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 4 "Grasshopper" to "Greek Language" 2011-11-28T03:00:19.517Z A telescope, with graduated arc and vernier, is mounted on the inner ring at right angles to the plane of the ring. Dropping Bombs from Flying Machines 2011-10-13T12:15:03.687Z The driving screw having been thrown out of gear, the circle is turned until the outer vernier indicates the sidereal time, whereupon the driving screw is thrown into gear again. Photographs of Nebul? and Clusters Made with the Crossley Reflector 2011-06-21T02:00:27.500Z If a correction should be found necessary, it is better to ease the pressure of the thumb-screw over the vernier before making such correction, tightening it again afterwards. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z They are surveying compasses made of walnut, having maple sighting bars and a silvered brass vernier set under the glass. Early American Scientific Instruments and Their Makers 2012-03-15T02:00:31.610Z The vernier reads to ·002 of an inch, and slides easily on the brass frame, which is made as small in diameter as is compatible with the size of the tube. A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility 2011-06-19T02:00:15.717Z This revolving stage is divided into 360 degrees and fitted with a vernier and index. Microscopes and Accessory Apparatus Catalogue No. 40 2011-04-14T02:00:42.743Z The inner vernier is then set to the right ascension of the object which it is desired to observe. Photographs of Nebul? and Clusters Made with the Crossley Reflector 2011-06-21T02:00:27.500Z If the tenth or middle line on the vernier is the one that coincides with a line on the bar, the reading is 110⁄1000 inches. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z Surveying Instrument, with brass disk 10-1/2 in. in diameter laid off in degrees, minutes, and seconds with vernier points. Early American Scientific Instruments and Their Makers 2012-03-15T02:00:31.610Z In Germany, barometers are sometimes graduated with old French inches and lines,—the vernier generally indicating the tenth of a line. A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility 2011-06-19T02:00:15.717Z Tube with concave mirror on stand, graduated scale with vernier and lens for reading one-tenth of a degree of rotation. Microscopes and Accessory Apparatus Catalogue No. 40 2011-04-14T02:00:42.743Z For delicate operations, such as the measurement of altitudes, the scale of the barometer is furnished with a nonius or vernier, which greatly increases the minuteness and accuracy of the scale. The New Gresham Encyclopedia. Vol. 1 Part 3 Atrebates to Bedlis If the line marked 5 on the vernier is the one that coincides with a line on the bar, the measurement is an inch and 5⁄1000, and so on. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z He cracked the vernier just a trifle and agony knifed through Mel's brain. All In The Mind A sliding metallic vernier might perhaps with advantage be attached to the stem, which would enable the observer to mark hundredths of a degree; which, however, he can pretty well do by estimation. A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility 2011-06-19T02:00:15.717Z The movements of the stage are at right angles to one another, are accomplished by carefully constructed rack and pinion adjustments and the exact position of each adjustment is indicated by vernier scales. Microscopes and Accessory Apparatus Catalogue No. 40 2011-04-14T02:00:42.743Z The thing I was looking for was on a counter—a tinted metal box no bigger than a suitcase, with a lipped hole on top and small undisguised verniers in front. The Old Die Rich Now set the zero of the vernier opposite to the line denoting 49⁄50 inch on the bar. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z He took her gun and pointed to a vernier control set into the side of the weapon. The Happy Man The vernier should be made to read upward in all barometers, unless for a special object, as this arrangement admits of the most exact setting. A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility 2011-06-19T02:00:15.717Z The rotation of the Nicol prism with the vernier is performed by means of an endless screw. Microscopes and Accessory Apparatus Catalogue No. 40 2011-04-14T02:00:42.743Z I didn't know I'd found it, actually, until I twisted a vernier and every light in the store suddenly glared and the salesman came rushing over and politely moved me aside to shut it off. The Old Die Rich The vernier, it will be observed, is a double one. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z One especially remembered youthful treat was when his uncle Josiah Wedgwood explained to him the principle of the vernier. Life of Charles Darwin If the vernier is adjusted to read upward, the scale should extend to 32 inches, to allow room for the vernier to be set to 31 inches at least. A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility 2011-06-19T02:00:15.717Z A millimeter scale and a vernier serve to indicate the degrees of the various motions, so that vertical motion of the microscope tube to the extent of 1/10 mm may be accomplished. Microscopes and Accessory Apparatus Catalogue No. 40 2011-04-14T02:00:42.743Z For convenience in reading, the ivory needle at the base of the instrument and the meniscus are well illuminated with electric lamps behind a white screen, and a small lamp illuminates the vernier. Respiration Calorimeters for Studying the Respiratory Exchange and Energy Transformations of Man The vernier is a device for subdividing the readings of any equidistant lines of division. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z If the vernier zero is to the left of the zero on the arc, the IE is minus and it is to be subtracted from any angle you read, to get the correct angle. Lectures in Navigation Considerable care is requisite in adjusting the verniers, so as to keep the instrument steady and vertical. A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility 2011-06-19T02:00:15.717Z This is done by setting the straight lower edge of the vernier, an appendage with which the barometer is furnished, as a tangent to the curve. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 3 "Banks" to "Bassoon" Electric illumination and magnifying glasses are fitted to the verniers. Astronomical Instruments and Accessories Let it now be noted that, instead of making the lines of division closer together to obtain minute measurements, the same end may be obtained by making the vernier longer. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z If the vernier zero is to the right of the zero on the arc, the IE is plus and is to be added to any angle you read to get the correct angle. Lectures in Navigation This is done by making the vernier either 9 or 11-10ths of an inch long, and dividing it into ten equal parts. A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility 2011-06-19T02:00:15.717Z The vernier is made to slide up and down the scale, and by it the height of the barometer may be read true to 0.002 or even to 0.001 in. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 3 "Banks" to "Bassoon" Circle 15 cm. diameter, divisions on solid silver, verniers reading to 6 min., slow gear motion for rotating, electrical illumination, provided with different color screens. Astronomical Instruments and Accessories The mercurial barometer reading by verniers to three places of decimals was set up and read, and the two aneroids were adjusted to read with it. The Ascent of Denali (Mount McKinley) A Narrative of the First Complete Ascent of the Highest Peak in North America To prove whether it is or not, set the vernier on about 60�, and look slantingly through the mirror. Lectures in Navigation The vernier of the figure reading upwards, the lower edge, D, will denote the top of the barometer column; and is the zero of the vernier scale. A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility 2011-06-19T02:00:15.717Z Bartrum it is claimed that readings to .001 of an inch of mercury can be taken without the use of a vernier. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 3 "Banks" to "Bassoon" The circle has a diameter of 150 mm., verniers read to 20 seconds. Astronomical Instruments and Accessories With rifled guns a vernier, reading the minutes, is generally added. The Sailor's Word-Book An Alphabetical Digest of Nautical Terms, including Some More Especially Military and Scientific, but Useful to Seamen; as well as Archaisms of Early Voyagers, etc. But these divisions on the vernier represent minutes and sixths of a minute, or 10 seconds. Lectures in Navigation Hence, the figures 1, 2, 3, 4, 5 on the vernier measure hundredths, and the intermediate lines even thousandths of an inch. A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility 2011-06-19T02:00:15.717Z It seemed hardly possible that this instrument, with its wheels and verniers and delicate adjustments, could have escaped uninjured from such a fall. Fragments of science, V. 1-2 The horizontal circle is protected and reads by means of two verniers to 1 min. Astronomical Instruments and Accessories A screw acting tangentially to a circle, by means of which a slow motion may be given to the vernier of any instrument. The Sailor's Word-Book An Alphabetical Digest of Nautical Terms, including Some More Especially Military and Scientific, but Useful to Seamen; as well as Archaisms of Early Voyagers, etc. To read the angle, the zero point on the vernier is used as a starting point. Lectures in Navigation Passing the eye up the vernier and scale, the second line above 3 is perceived to lie evenly with a line of the scale. A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility 2011-06-19T02:00:15.717Z Light, or something white, at the back of the tube, assists in accurately setting the vernier, and may be shifted about to aid in reading off. Barometer and Weather Guide The circle revolving with the Nicol prism for changing the intensity of the star, has a diameter of 14 cm. and reads by means of two verniers to 6 min. Astronomical Instruments and Accessories The reading of the verniers of the above-named instruments. The Sailor's Word-Book An Alphabetical Digest of Nautical Terms, including Some More Especially Military and Scientific, but Useful to Seamen; as well as Archaisms of Early Voyagers, etc. Set the vernier on zero and look slantingly through the horizon glass. Lectures in Navigation We may now be sure that the line on the circular vernier that cuts the division on the scale is the exact height of the barometer. A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility 2011-06-19T02:00:15.717Z White paper or card will reflect light for setting the vernier correctly. Barometer and Weather Guide The verniers are fitted with adjustable magnifying glasses, the telescopes have an aperture of 25 mm., focal length of 200 mm. Astronomical Instruments and Accessories Multhaus, the Chief Powerman’s Mate, sat behind the emergency board, a vernier dial in each hand and both eyes on an oscilloscope screen. Unwise Child Now on the vernier in the sliding limb, directly under the arc, is the same kind of a division. Lectures in Navigation A cheap instrument has an open face and plain frame, with sliding vernier instead of rack-and-pinion motion. A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility 2011-06-19T02:00:15.717Z The vernier of a barometer reading to thousandths of an inch, is on a similar principle, though differently divided. Barometer and Weather Guide The circle is protected but only one vernier reading to 30 sec. is fitted to the instrument. Astronomical Instruments and Accessories Multhaus just sat there, surrounded by a wall of concentration, his hands still on the verniers, his eyes still on the screen. Unwise Child He adjusted the verniers very carefully, and again threw on the power. Skylark Three It is not desirable that the vernier should read nearer than one-hundredth of an inch. A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility 2011-06-19T02:00:15.717Z He began punching buttons for data and fiddling with setscrews and verniers. Space Viking It is fitted with quick gear motion and tangent screw and the two verniers read to 1-100 degree. Astronomical Instruments and Accessories I made some remark about the "vernier" of one of the circles on the telescope. The Reminiscences of an Astronomer Nope, I was too anxious—hurried too much on the settings of the slow verniers. Skylark Three The lower edge of the vernier should be brought to the top of the mercury, so as just to shut out the light. A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility 2011-06-19T02:00:15.717Z A vernier is attached to the sliding branch, graduated to hundredths of an inch. Ordnance Instructions for the United States Navy. 1866. Fourth edition. The circle has a diameter of 15 cm. and the two verniers read to 20 sec. Astronomical Instruments and Accessories "Why do you call it a vernier?" said he. The Reminiscences of an Astronomer He fingered controls lightly, depressed a few more keys, and set one vernier, already at a ratio of a million to one, down to ten million. Skylark Three An automatic recording device at the back of the mortar records the length of swing which, by a vernier, may be read to 1/200 in. Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910 Federal Investigations of Mine Accidents, Structural Materials and Fuels. Paper No. 1171 It is provided with a vernier scale graduated to hundredths of an inch. Ordnance Instructions for the United States Navy. 1866. Fourth edition. The prism table can be clamped to any part of the vernier plate. Astronomical Instruments and Accessories Nonius, a Portuguese, had invented something on a similar principle and yet essentially different from the modern vernier, invented by a Frenchman of that name. The Reminiscences of an Astronomer I know not whether the phrase "was graduated," applied not to a vernier, but to a student, be legitimate or not; it is certainly so used by the best American writers. The Land of Contrasts A Briton's View of His American Kin The latter contains Nobel and Schoene elutriators, together with viscosimeters of the flow and the Coulomb and Clark electrical types, sieves, voluminometers, colorimeters, vernier shrinkage gauges, micrometers, microscopes, and the necessary balances. Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910 Federal Investigations of Mine Accidents, Structural Materials and Fuels. Paper No. 1171 There is a vernier upon the slide, graduated to hundredths of an inch; a thumb-screw serves to secure the slide at any point on the rod. Ordnance Instructions for the United States Navy. 1866. Fourth edition. The circles c and d serve to indicate, by means of verniers revolving with the axes, the motion of the telescope in right ascension and declination, respectively. Half-hours with the Telescope Being a Popular Guide to the Use of the Telescope as a Means of Amusement and Instruction. With the neutral field as indicated above, the zero of the movable scale should correspond closely with the zero of the vernier unless the zero point is out of adjustment. Scientific American Supplement No. 822, October 3, 1891 Still further refinement may be had by placing a vernier here. Scientific American Supplement, No. 484, April 11, 1885 "Never set up a transit again," directed Rutter, "without making sure that your levels are absolutely true, and that your vernier arrangement is in order." The Young Engineers in Colorado Or, At Railwood Building in Earnest A slide is made to play upon it with a vernier scale, graduated to hundredths of an inch. Ordnance Instructions for the United States Navy. 1866. Fourth edition. One of these in my own case was a little electric flash- light taken for the purpose of reading the verniers of a theodolite or sextant in star observations. Through the Brazilian Wilderness On each side of the zero line of the vernier a space corresponding to nine divisions of the movable scale is divided into ten equal parts. Scientific American Supplement No. 822, October 3, 1891 A minute of arc at the distance of 250 feet is seven-eighths of an inch; and this is the most accurate way, for the vernier will not mark so small a space accurately. Scientific American Supplement, No. 344, August 5, 1882 "Here is a magnifier for the vernier," continued Rutter, just after Tom had started to make his reading. The Young Engineers in Colorado Or, At Railwood Building in Earnest The screw head is a circle ruled to degrees and minutes, and turns in front of a fixed vernier in the field of a reading microscope. Scientific American Supplement, No. 288, July 9, 1881 Hevelius had introduced the vernier and tangent screw in his measurement of arc graduations. History of Astronomy The halo had of course completely disappeared; but with the vernier it was possible to discern a narrow band or line of hazy grey around the black limb of the planet. Across the Zodiac Vernier.—A small condenser with a vernier on it so that it can be very accurately varied. The Radio Amateur's Hand Book Tom in the meantime was busy with the vernier of his transit. The Young Engineers in Colorado Or, At Railwood Building in Earnest "But by measurements made by this vernier micrometer caliper I can find the precise thickness of the paper as compared to the other samples." Gold of the Gods Marigold stiffened himself—the degree of stiffness beyond his ordinary inflexibility of attitude could only have been ascertained by a vernier, but that degree imparted an appreciable dignity to his demeanour. The Red Planet By means of a vernier or eye-piece, the diameter of the Sun could be read off the discometer, and from his diameter my distance could be accurately calculated. Across the Zodiac They sought to apply the vernier and the balance, as far as might be, to the intangible processes of mind. A History of Science — Volume 4 If the instrument is a divided one, the first thing is to learn to read the verniers. Reflections on the Decline of Science in England When it bisects any remarkable point, read off the verniers, and write down the result; then displace the telescope a little, and adjust it again. Reflections on the Decline of Science in England |
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