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Author: Maurice Leroy Carr
Publisher: Forgotten Books
ISBN: 9781390941326
Category : Technology & Engineering
Languages : en
Pages : 76
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Book Description
Excerpt from High Temperature Measurement by Electric Means The accurate measurement of high temperatures has come to be a very essential feature of many industrial pro cesses. The pyrometer makes it possible to reproduce with precision any temperature that has been found to yield the best results in Operations requiring careful heat treatment. In the making of tinted glass, for example, the preper regu lation of the temperature of the furnace is necessary to pre vent burning out the color. Instead of depending upon the workman to judge of the condition of the material with his eye, the manufacturer gives instructions to maintain the heat at a certain temperature, knowing then that the output will be of a certain uniform grade. In this manner the variable human element is eliminated and waste prevented. The temper ing of tools, the burning of ceramic products, the Operation of gas producers, the manufacture of iron and steel and the annealing of castings are a few examples of processes that may be carried on to better advantage with the aid of refined methods of measuring high temperatures. The recording pyro meter is rapidly coming into use as an efficient means of eu pervising processes requiring heat treatment. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Maurice Leroy Carr
Publisher: Forgotten Books
ISBN: 9781390941326
Category : Technology & Engineering
Languages : en
Pages : 76
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Book Description
Excerpt from High Temperature Measurement by Electric Means The accurate measurement of high temperatures has come to be a very essential feature of many industrial pro cesses. The pyrometer makes it possible to reproduce with precision any temperature that has been found to yield the best results in Operations requiring careful heat treatment. In the making of tinted glass, for example, the preper regu lation of the temperature of the furnace is necessary to pre vent burning out the color. Instead of depending upon the workman to judge of the condition of the material with his eye, the manufacturer gives instructions to maintain the heat at a certain temperature, knowing then that the output will be of a certain uniform grade. In this manner the variable human element is eliminated and waste prevented. The temper ing of tools, the burning of ceramic products, the Operation of gas producers, the manufacture of iron and steel and the annealing of castings are a few examples of processes that may be carried on to better advantage with the aid of refined methods of measuring high temperatures. The recording pyro meter is rapidly coming into use as an efficient means of eu pervising processes requiring heat treatment. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: H. Le Chatelier
Publisher: Forgotten Books
ISBN: 9780364121573
Category : Science
Languages : en
Pages : 378
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Book Description
Excerpt from High-Temperature Measurements The measurement Of high temperatures was considered for a long time to be a very difficult operation and Of a very uncertain precision. There were cited with admira tion a half-dozen determinations seeming to merit some confidence. During the last few years the question has made considerable progress, and we possess to-day several sufficiently precise pyrometers whose usage is rapidly spreading among scientific and industrial laboratories. Before describing them, perhaps it will not be useless to indicate the services that they may render to science and to industry, by giving a brief summary Of similar services that they have already rendered. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Chas R. Darling
Publisher: Forgotten Books
ISBN: 9780666744340
Category : Technology & Engineering
Languages : en
Pages : 272
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Book Description
Excerpt from Pyrometry: A Practical Treatise on the Measurement of High Temperatures The next step in advance was the introduction of the expansion pyrometer by John Daniel] in 1822. The elongation Of a platinum rod, encased in plum bago, was made to operate a magnifying device, which moved a pointer over a scale divided so as to read temperatures directly. Although inaccurate as com pared with modern instruments; this pyrometer was the first to give a continuous reading, and required no personal attention. The expansion pyrometer - with different expanding substances - is still used to. A limited extent. The year 1822 was also marked by Seebeck's discovery of thermo-electricity. The generation Of a current of electricity by a heated junction Of two metals, increasing with the temperature, appeared to afford a simple and satisfactory basis for a pyrometer, and Becquerel constructed an instrument on these lines in 1826. Pouillet and others also endeavoured to measure temperatures by the thermo-electric method, but partly owing to the use of unsuitable junctions, and partly to the lack of reliable galvanometers, these workers failed to Obtain concordant results. The method was for all practical purposes abandoned until 1886, when its revival in reliable form led to the enormous extension Of the use of pyrometers witnessed during recent years. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Carl Barus
Publisher:
ISBN: 9781332903382
Category : Science
Languages : en
Pages : 380
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Book Description
Excerpt from On the Thermo-Electric Measurement of High Temperatures Revolving muf e; diagram 36a Elliptic revolving muf e; diagram 37. Revolving muf e and furnace; longitudinal section 38. Revolving muf e and furnace; plan 39. Temperature and electromotive force of thermo-couples, in correspond ing time series 40. Constant pressure air thermometer 41. Chart showing the variation of thermo-electromotive force with tem perature 42. Chart showing the 'variation of thermo-electromotive force with tem perature 43. General disposition of apparatus for viscosity measurement. 44. Diagram of receiver for distributing pressure 45. Side elevation of the capillary apparatus Plan of the capillary apparatus 47. Vertical section through helix 47a. Plan of helix and thermo-couples 48. Chart showing viscosity as a function of temperature 49. 50. 51. Diagrams of practical transpiration pyrometers 52. 53. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works."
Author: G. K. Burgess
Publisher: Forgotten Books
ISBN: 9780666513908
Category : Science
Languages : en
Pages : 532
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Book Description
Excerpt from The Measurement of High Temperatures The enormous differences above mentioned in the estimations of high temperatures are much more the result of the diversity of the scales than due to the errors Of the measurements them selves. Thus the experiments on solar radiation which have led to values varying from I 500° to 1, ooo, ooo° are based on measure ments which do not dier among themselves by more than 2 5 per cent. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Maurice LeRoy Carr
Publisher:
ISBN:
Category : Temperature measurements
Languages : en
Pages : 66
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Book Description
Author: Arthur L. Day
Publisher: Forgotten Books
ISBN: 9781333777098
Category : Science
Languages : en
Pages : 146
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Book Description
Excerpt from High Temperature Gas Thermometry The numerical value thus assigned to a given temperature depends slightly on the initial pressure and is somewhat different for different gases. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Cambridge Scientific Instrument Company
Publisher: Forgotten Books
ISBN: 9780656062171
Category : Technology & Engineering
Languages : en
Pages : 86
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Book Description
Excerpt from Technical Thermometry: Electrical Resistance Thermometers, Thermo-Electric Thermometers, Fery Radiation and Absorption Pyrometers, Continuous Temperature Recorders, Electrical Resistance Furnaces, Etc Some measure of the expansion that has taken place in the Thermometric Department of our Works can be obtained by comparing the size of the 1904 edition of Technical Thermometry with the present work. Great efforts have been made to keep this book within convenient limits, but nothing smaller would suffice for the mere enumeration of our productions with the briefest and most concise explanatory notes. By means of the F ery Radiation Pyrometer accurate measurements of very high temperatures have now been brought Within the reach of industrial concerns, this Pyrometer having been brought to a great degree of perfection and simplicity. Manufacturers of Porcelain, Glass and Stone-ware need no longer rely upon the old crude and inaccurate methods. The value of the radiation method has been enhanced by the production of a simple and reliable method of recording the measurements. In the department of Resistance Thermometry, interchangeability between thermometers has greatly increased the convenience of the instruments, and reduced the adjustments needed. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Ezer Griffiths
Publisher: Forgotten Books
ISBN: 9780484314756
Category : Technology & Engineering
Languages : en
Pages : 200
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Book Description
Excerpt from Methods of Measuring Temperature The present volume is written for those concerned with the measure ment of temperature, whether in scientific investigations or in the control of industrial operations. Attention has been devoted chiefly to the experimental basis of the methods in general use, the calibration of the instruments, and the precautions which must be observed in practice. While the volume is complete. In itself, it is assumed that the reader is conversant with the fundamental principles of physics, and the aim has been to extend the general treatment given in standard text-books, such as those Of Poynting and Thomson. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Hobert C. Dickinson
Publisher: Forgotten Books
ISBN: 9780656250677
Category : Science
Languages : en
Pages : 38
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Book Description
Excerpt from Heat Treatment of High-Temperature Mercurial Thermometers Thus, if a thermometer is intended to read true gas scale tempera tures, either the length of a degree must be changed at 'the higher points, as is generally done in working standards, or proper correo tions must be applied. Toward the end of this paper a method is outlined for graduating a thermometer to read gas scale temperature. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
