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Author: C. W. Waidner Publisher: Forgotten Books ISBN: 9780265423059 Category : Science Languages : en Pages : 22
Book Description
Excerpt from On the Temperature of the Arc Using the photometric method and'a modified form of 'the Le Chatelier optical pyrometer and assuming that 'wien's law continues to hold, Fery finds 41400 abs. With red light and 41700 abs. Using green light. As an explanation of this high value, want of mono chromatism of the glass used at once suggests itself. The explanation certainly applies for the usual red glasses that me sent out by Pellin with the Le Chatelier optical pyrometer. Moreover, the center of light transmission of this glass is nearer to 0. 63111 than 0. The value usually assumed from Le Chatelier' s early determinations, probably made with a different kind of glass. 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: C. W. Waidner Publisher: Forgotten Books ISBN: 9780265423059 Category : Science Languages : en Pages : 22
Book Description
Excerpt from On the Temperature of the Arc Using the photometric method and'a modified form of 'the Le Chatelier optical pyrometer and assuming that 'wien's law continues to hold, Fery finds 41400 abs. With red light and 41700 abs. Using green light. As an explanation of this high value, want of mono chromatism of the glass used at once suggests itself. The explanation certainly applies for the usual red glasses that me sent out by Pellin with the Le Chatelier optical pyrometer. Moreover, the center of light transmission of this glass is nearer to 0. 63111 than 0. The value usually assumed from Le Chatelier' s early determinations, probably made with a different kind of glass. 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: Publisher: Forgotten Books ISBN: Category : Science Languages : en Pages : 428
Book Description
Excerpt from Edinburgh New Philosophical Journal, 1833 I. On the Physical Structure of the Site of Rome, and the adjoining Country. Communicated by the Author, II. Observations on the Deviation of the Compass; with Examples of its fatal influence in some melancholy and dreadful shipwrecks. By the Rev. William scoresby, F. R. S. &c. Communicated by the Author. 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: Arthur John Berry Publisher: CUP Archive ISBN: Category : Science Languages : en Pages : 168
Book Description
Excerpt from The Atmosphere The author desires to thank Professor Seward for his kind editorial help. To Dr G. F. O. Searle and to the late Mr H. 0. Jones he is indebted for many valuable criticismsand suggestions. 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: Lloyde Slote Dancey Publisher: Forgotten Books ISBN: 9780266746201 Category : Technology & Engineering Languages : en Pages : 128
Book Description
Excerpt from An Experimental Determination of the Temperature of the Mercury Arc: Thesis The problem.of efficient light production is to produce the most light with the least consequent development of heat. The way for the solution of this problem is Opened in the carrying of electricity through gases, for theoretically there is.no limit to the efficiency of a luminescent vapor. The gas is the most efficient the lower its temperatur %)and the heat produced is merely a by - product. This is just the reverse of a solid incandescent body, for, while heat makes a solid incan descent it increases the pressure of a gas but does not make it incandescent. The heat put into a gas does not reappear, to any extent, in an increased vibration of the molecules but it causes them.to move faster in their rectilinear paths and they, in turn, cause an increase in pressure by striking the boundary at a higher velocity. Although vibrations in a gas are not produced by heat they may be produced by making the gas the conductor of an electric current. In which case the vibrations are at a definite rate and give line spectra. 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: Ewald Rasch Publisher: Forgotten Books ISBN: 9780260256867 Category : Technology & Engineering Languages : en Pages : 242
Book Description
Excerpt from Electric Arc Phenomena A remarkable revolution is taking place in the funda mental conceptions of Physics. The Electronic Theory is furnishing wholly unexpected answers to the inquirer into the cause of light. This fact (in conjunction with other modern changes, such as improvements in incan descent lighting, etc.) imposes ou the arc-lamp engineer the task of making improvements in the very principles of light production a task which during the last decade has found, in the development of flame arc lamps, a pro visional rather than a very desirable solution. One cannot be taught how to find only how to seek. Whether we succeed or not depends largely on whether our aim has been in a negative or a positive direction with respect to the object. 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: National Carbon Company Inc Publisher: Forgotten Books ISBN: 9780265976159 Category : Technology & Engineering Languages : en Pages : 80
Book Description
Excerpt from The Practical Operation of Arc Lamps Multiple arc lamps. Multiple lamps are in very extensive use at present and are especially popular for indoor lighting on account of the low voltage required. They may be connected directly across 110 and sometimes on 220 volt circuits. 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: C. C. Kiess Publisher: Forgotten Books ISBN: 9781390873351 Category : Science Languages : en Pages : 58
Book Description
Excerpt from The Structure of the Arc Spectrum of Zirconium When we resumed our work on the Zr spectra we had acquired from Dr. A. S. King, of the Mount Wilson Observatory, a set of plates copied from his furnace spectra of Zr, supplemented later with an advance copy of the temperature classifications of the Zr lines made by him and Miss Carter. 6 And from the late Prof. B. E. Moore, of the Brace Laboratory, University of Nebraska, we had obtained the films on which he had recorded the Zeeman effect of Zr out to 7, 000 A in the red. with these aids we were able to identify most of the stronger lines of Zr I as members of the quintet and triplet systems. 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: Henry Norris Russell Publisher: Forgotten Books ISBN: 9781333793418 Category : Science Languages : en Pages : 52
Book Description
Excerpt from An Analysis of the Arc and Spark Spectra of Scandium (Sc I and Sc II) The nermal state of the neutral atom evidently corresponds to a 2d term; of separation 168.g Transitions between this and higher terms account for all of the: numerous lines which has found to be strong in. The f1imace at low temperatures.' The next lowest level, as has {already been said, is a'4f' term, ' which combines with a triad 4d', 4f, to give strong multiplets in the green and yellow. 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: Henry S. Rawdon Publisher: Forgotten Books ISBN: 9780428701345 Category : Technology & Engineering Languages : en Pages : 66
Book Description
Excerpt from Electric-Arc Welding of Steel: I. Properties of the Arc-Fused Metal The application of arc welding In the Shipbuilding industry is one of the most important and extensive applications which has as yet been proposed for this method. During the year 1918, at the request of and with the cooperation of the Welding Research Subcommittee of the Emergency Fleet Corporation, an extensive program was outlined by the Bureau of Standards for the study of this type of Welding. The principal object of the research was to determine inan empirical way by actual welding tests carried out by Skilled operators the relative values and merits of the different types of electrodes or welding pencils which are available commercially Due to changed conditions, however, at the close of the year 1918 the original program was modified and Shortened very considerably. The results of the investigation here given. Relate principally to the nature and characteristic properties of the weld, and in particular those of the 'fused - ln metal. In drawing upgthe modified program it was decided to make the study of the characteristic properties of the fused in metal the primary object of the investigation, the study of the merits of the different types of electrodes being a secondary one. Since the metal of any weld produced by the electric arc fusion method is essentially a casting because there is no refinement possible as in some of the other methods, it is apparent that the efficiency of the weld is dependent upon the properties of this arc-fused metal. Hence a knowledge of its properties is of fundamental importance in the study of electric-arc welds. Though the results obtained throughout the entire series of examinations are not so conclusive as might be desired, it is believed that they contribute very materially to our knowledge of the properties of the fused-in metal, which conditions the serviceability of the electric-arc weld. 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: Gilbert S. Ram Publisher: ISBN: 9781332143030 Category : Technology & Engineering Languages : en Pages : 234
Book Description
Excerpt from The Incandescent Lamp and Its Manufacture The Incandescent Lamp and Its Manufacture was written by Gilbert S. Ram in 1894. This is a 227 page book, containing 70868 words and 67 pictures. Search Inside is enabled for this title. 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: C. W. Waidner
Author: C. W. Waidner
Author: 
Author: Arthur John Berry
Author: Lloyde Slote Dancey
Author: Ewald Rasch
Author: National Carbon Company Inc
Author: C. C. Kiess
Author: Henry Norris Russell
Author: Henry S. Rawdon
Author: Gilbert S. Ram