| 单词 | crown glass |
| 例句 | An optical fiber uses flint glass clad with crown glass. College Physics for AP Courses 2015-08-12T00:00:00Z Transparent media vary in their dispersive powers; for example, carbon disulphide has more than three times the dispersive power of crown glass. The New Gresham Encyclopedia Volume 4, Part 1: Deposition to Eberswalde 2011-04-14T02:00:57.977Z The old staple trade of the making of crown glass, begun in 1777, lapsed some 70 years afterwards when the glass duty was abolished. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" 2010-12-26T03:00:17.840Z By studying the dispersion of colours in water, turpentine and crown glass Newton was led to suppose that dispersion is proportional to refraction. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 5 "Dinard" to "Dodsworth" 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 Show that if the fiber is made from crown glass, any incident ray will be totally internally reflected. College Physics for AP Courses 2015-08-12T00:00:00Z 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 The squares must be formed of strong crown glass, leaded and cemented; let there be five in length, the one in front being five inches long. The art of promoting the growth of the cucumber and melon in a series of directions for the best means to be adopted in bringing them to a complete state of perfection 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 Flint glass effects a greater dispersion than crown glass nearly in the ratio of three to two. Pleasures of the telescope An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers At what angle is light inside crown glass completely polarized when reflected from water, as in a fish tank? College Physics for AP Courses 2015-08-12T00:00:00Z Fortunately, the old crown glass of the period was of the toughest description, and much of it still remains. Lippincott's Magazine, November 1885 The great advantage of sheet glass over crown glass is that it can be made in large pieces. The Story of Glass From this we say that crown glass has a specific inductive capacity of 6.96. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. Here is a square of crown glass three-fourths as large as a page of the "Atlantic Monthly," if you happen to know that periodical. The Atlantic Monthly, Volume 12, No. 69, July, 1863 Suppose Figure 25.53 represents a ray of light going from air through crown glass into water, such as going into a fish tank. College Physics for AP Courses 2015-08-12T00:00:00Z Messrs. Chance have acquired a world-wide reputation by supplying the largest quantity of crown glass in the shortest space of time for Paxton’s Palace. Rides on Railways These bull's eyes were the centers or waste from large discs of crown glass after all the big pieces possible had been cut away. The Story of Glass The floor and stand, the frame and joints must be strong and compact, and the walls of plate or thick crown glass. The Atlantic Monthly, Volume 08, No. 47, September, 1861 For this reason crown glass made with a little alkali or kelp is preferred. Young's Demonstrative Translation of Scientific Secrets Answer the above question if the fluid between the two pieces of crown glass is carbon disulfide. College Physics for AP Courses 2015-08-12T00:00:00Z These works, in which plate and every kind of crown glass is made, are situated at West Bromwich. Rides on Railways Possibly, in time, say a few geological ages, it might in some optician's shop have brought about a combination of flint and crown glass which, together, should have been achromatic. Darwiniana; Essays and Reviews Pertaining to Darwinism What is the ratio of thicknesses of crown glass and water that would contain the same number of wavelengths of light? College Physics for AP Courses 2015-08-12T00:00:00Z What is Brewster’s angle for light traveling in water that is reflected from crown glass? College Physics for AP Courses 2015-08-12T00:00:00Z Find the range of visible wavelengths of light in crown glass. College Physics for AP Courses 2015-08-12T00:00:00Z |
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