| 单词 | flint glass |
| 例句 | An optical fiber uses flint glass clad with crown glass. College Physics for AP Courses 2015-08-12T00:00:00Z Rosé, chardonnay, sauvignon blanc and pinot gris are all typically bottled in flint glass. Don’t Let Your Wine Go to the Grocery Store Naked 2022-07-07T04:00:00Z What Hall and Dollond did was to make the outer or crown lens of the objective as before, and place behind it a plano-concave lens of dense flint glass. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z The sand which is employed for window glass differs from that which is required for flint glass, in that the latter should be as pure as possible. British Manufacturing Industries Pottery, Glass and Silicates, Furniture and Woodwork. 2012-02-26T03:00:18.883Z To make glass perfectly colourless, and at the same time more dense, commonly called flint glass, manufacturers use a certain proportion of calx of lead and manganese. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z At what incident angle must 470 nm light enter flint glass to have the same angle of refraction? College Physics for AP Courses 2015-08-12T00:00:00Z In 1844 Warden of Edinburgh reported two cases in which he said he had been able to make "satisfactory ocular inspection of diseases affecting the glottis," by using two prisms of flint glass. Garcia the Centenarian And His Times Being a Memoir of Manuel Garcia's Life and Labours for the Advancement of Music and Science 2011-09-05T02:00:19.693Z So that in materials of composition the old days in which there were substantially but two varieties of glass—the old-fashioned standard crown, and flint glass—have passed away. Inventions in the Century 2011-07-20T02:00:14.643Z The advantages derived from using the oxide are, that it makes the mixture more fusible, and also imparts that particular brilliancy and lustre so peculiarly characteristic of well-made flint glass. British Manufacturing Industries Pottery, Glass and Silicates, Furniture and Woodwork. 2012-02-26T03:00:18.883Z Quartz is transparent to ultra-violet light, and to avoid harmful effects the tube is usually enclosed in a larger one of flint glass, which stops the ultra-violet rays. The New Gresham Encyclopedia Volume 4, Part 2: Ebert to Estremadura 2011-04-14T02:00:56.200Z This advantage is not gained without a certain sacrifice of simplicity in construction; by avoiding the use of flint glass having a high refractive index and substituting materials to take the place of crownglass. Microscopes and Accessory Apparatus Catalogue No. 40 2011-04-14T02:00:42.743Z The three pieces of glass illustrated above are typical of the white flint glass with engraved designs made at the Stiegel works. Handbook of the Minneapolis Institute of Arts 2011-02-15T03:00:17.853Z The limit generally fixed by national organizations is 1 to 10, though some, such as pressmen, trunk and bag workers, flint glass workers, allow 1 to 4. Twentieth Century Socialism What It Is Not; What It Is: How It May Come 2011-01-17T03:00:51.213Z When a pot of flint glass is worked off, that which remains at the bottom usually contains more lead than that which is worked off in the earlier part of the day. British Manufacturing Industries Pottery, Glass and Silicates, Furniture and Woodwork. 2012-02-26T03:00:18.883Z It was clear, white, light, and of agreeable delicacy to the touch, and no other glass as purely colorless was made until the modern discovery of flint glass, made by the use of lead. Colonial Homes and Their Furnishings 2011-01-11T03:00:35.147Z To perfectly purify ordinary red lead for making flint glass. The Scientific Basis of National Progress Including that of Morality 2010-12-30T03:00:25.567Z The manufactory was also renowned for its colored flint glass, and for glass with enameled decoration. Handbook of the Minneapolis Institute of Arts 2011-02-15T03:00:17.853Z Chromatic aberration is easily cured by using an achromatic or compound lens made by cementing together two lenses of crown and flint glass respectively, as in Fig. Optical Projection Part 1: Projection of Lantern Slides A block of flint glass three inches thick has been pierced with the 28-inch spark. The Galaxy, May, 1877 Vol. XXIII.—May, 1877.—No. 5. Mr. Parker, of Fleet-street, made a burning-glass, three feet in diameter; it was formed of flint glass, and when on its frame, exposed a surface of 2 feet 8½ inches to the solar rays. Endless Amusement A Collection of Nearly 400 Entertaining Experiments The principal industry is the making of cut and flint glass, and, of the several extensive plants devoted to this industry, that of the Corning Glass Works is one of the largest in the world. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 4 "Coquelin" to "Costume" Achromatic Object Glass. a, crown glass; b, flint glass. Pleasures of the telescope An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers It will be seen that the flint glass component by itself is a concave lens and therefore neutralises in part, or in whole, the convex crown lens. Optical Projection Part 1: Projection of Lantern Slides A compound lens is needed, made up of a crown glass convex element, B, and a concave element, A, of flint glass. How it Works Dealing in simple language with steam, electricity, light, heat, sound, hydraulics, optics, etc., and with their applications to apparatus in common use Cut glass dishes and "paste" gems are made of this flint glass. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public A 60 degree heavy flint glass prism of best optical quality is included. Astronomical Instruments and Accessories In a refracting telescope we have to employ what is known as the achromatic combination, consisting of one lens of flint glass and one of crown glass, adjusted to suit each other with extreme care. The Story of the Heavens Objectives like condensers want cleaning at times, and care must be taken not to scratch the glass, as the concave lens of each component is of flint glass, and very soft. Optical Projection Part 1: Projection of Lantern Slides The red rays passing through the flint glass are but little deflected, while the violet rays turn suddenly outwards. How it Works Dealing in simple language with steam, electricity, light, heat, sound, hydraulics, optics, etc., and with their applications to apparatus in common use Cocoanut shells were our substitute for flint glass, and I like it very well; especially when cocoanut milk is the refreshment to be served in them. The Old Helmet, Volume II For large ones it will be found best to employ flint glass and use the clip stands as in the case of direct welds, treated above, but, of course, with suitable modifications. On Laboratory Arts In 1637 the Duke of Buckingham had flint glass windows for his coach, and he had some Venetian workmen make mirrors out of it. The Story of Glass Cut glass and toilet articles are made of flint glass because of the brilliant effects caused by its great refractive power, and imitation gems are commonly nothing more than polished flint glass. General Science Lead is often present, derived from the action upon flint glass bottles Black precipitate with sulphureted hydrogen. Scientific American Supplement, No. 561, October 2, 1886 For clear white glass, called flint glass, no color is added. How To Write Special Feature Articles A Handbook for Reporters, Correspondents and Free-Lance Writers Who Desire to Contribute to Popular Magazines and Magazine Sections of Newspapers On the whole the most satisfactory laboratory practice is to employ good white flint glass. On Laboratory Arts In this the jar was made of flint glass, cylindrical in form, Page 110 six inches in diameter and eight inches deep. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. If the bulb be of flint glass, then by heating it, there is a slightly iridescent film caused upon the surface of the glass, which may easily be mistaken for arsenic. A System of Instruction in the Practical Use of the Blowpipe Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations Prism of heavy glass, more opaque than flint glass. McClure's Magazine, Vol. 6, No. 5, April, 1896 For water it is 48½°, for flint glass 38°41', and for diamond 23°42'. Six Lectures on Light Delivered In The United States In 1872-1873 The insulating power of white flint glass is much in excess of that of soft soda glass, which is a poor insulator, and of ordinary green bottle glass. On Laboratory Arts F. & C. Oslers, of Broad Street, have attained a very high reputation for their cut and ornamental, as well as the ordinary, articles of flint glass. Rides on Railways Then, his face slightly pale, his bulging eyes blinking nervously, he took two small flint glass bottles, set them under a couple of pipettes, and deftly made connections. The Air Trust Achromatism, transmission of light, undecomposed and free from colour, by means of a combination of dissimilar lenses of crown and flint glass, or by a single glass carefully prepared. The Nuttall Encyclopædia Being a Concise and Comprehensive Dictionary of General Knowledge Flint glass is better, and rock crystal is better than flint glass. Six Lectures on Light Delivered In The United States In 1872-1873 The pillars are of flint glass tube surrounding brass bolts, and cemented to the latter by raw shellac. On Laboratory Arts If a nursing-bottle is used, it should be of clear flint glass so that the slightest foulness may be easily detected, and one simple in construction, which can be completely taken apart for cleaning. Science in the Kitchen. The chief difficulty is the heavy charge for the circular blocks of flint glass requisite for the work which he meditates. Men of Invention and Industry It is used as a cement, as a paint, and in the manufacture of flint glass. The Gutenberg Webster's Unabridged Dictionary Section M, N, and O It is used in making flint glass, in glazing earthenware, in making red lead or minium, etc. The Gutenberg Webster's Unabridged Dictionary Section I, J, K, and L However, in the case of flint glass, if one may judge from incandescent lamps, this is not essential — a fact which entirely coincides with my own experience. On Laboratory Arts On the whole, he considered that the best glass to use was pure white flint glass for the collimator, the prisms, and the camera lens. Scientific American Supplement, No. 392, July 7, 1883 The best flint glass is obtained from Paris in blocks, which he divides, grinds, and polishes to perfect form. Men of Invention and Industry Some kinds of glass would be more visible than others, a box of flint glass would be brighter than a box of ordinary window glass. The Invisible Man Examine white sand, calcium carbonate, sodium carbonate, smalt; bottle, window, Bohemian and flint glass. An Introduction to Chemical Science It appears that flint glass is much more opaque to Roentgen's radiation than soda glass, and consequently the vacuum tubes require to be prepared from the latter material. On Laboratory Arts It should also be mentioned that flint glass has a much more brilliant appearance than soda glass. On Laboratory Arts But through the short-sighted policy of the Government, an exorbitant duty was placed upon the manufacture of flint glass, and the English trade was almost entirely stamped out. Men of Invention and Industry The kind of flint glass made by Messrs. Powell becomes distinctly soft soon after it is hot enough to be appreciably luminous in a darkened room, and at a white heat is very fluid. On Laboratory Arts With soda glass a very small irregularity will cause the joint to break when cold, but flint glass is much more long-suffering. On Laboratory Arts The stem and platinum wire may now be protected by covering them with a little flint glass. On Laboratory Arts I used about 40 ounces, and drilled a hole 3/32 in diameter in flint glass at a speed of 900 revolutions per minute to a depth of one-eighth of an inch in eight minutes. On Laboratory Arts The pernicious impost upon flint glass having at length been removed by the English Government, an opportunity was afforded to our native opticians to recover the supremacy which they had so long lost. Men of Invention and Industry For working flint glass, the air jet may be one-eighth of an inch in diameter and the pressure higher — this will give a brush flame. On Laboratory Arts Magnificent flint glass is made both in England and France. On Laboratory Arts It is, on the whole, advisable to make the pump of flint glass, or at all events the air-trap tube and the fall tubes. On Laboratory Arts For general purposes flint glass is vastly superior to the soft soda mentioned above. On Laboratory Arts Apparatus made of flint glass is less liable to crack and break at places of unequal thickness than if made of soda glass. On Laboratory Arts A particular variety of flint glass, known as white enamel, is particularly suitable for this purpose, and, indeed, may be used practically as a cement. On Laboratory Arts |
| 随便看 |
英语例句辞典收录了117811条英语例句在线翻译词条，基本涵盖了全部常用单词及词组的例句翻译及用法，是英语学习的有利工具。