Books with title Lighthouse Construction and Illumination

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

This is a pre-1923 historical reproduction that was curated for quality. Quality assurance was conducted on each of these books in an attempt to remove books with imperfections introduced by the digitization process. Though we have made best efforts - the books may have occasional errors that do not impede the reading experience. We believe this work is culturally important and have elected to bring the book back into print as part of our continuing commitment to the preservation of printed works worldwide.

Thomas Stevenson (1818-1887) was the son of the engineer Robert Stevenson, and father of the writer Robert Louis Stevenson. Like his brothers David and Alan, he became a lighthouse designer, being responsible for over thirty examples around Scotland. Throughout his career he was interested in the theory as well as the practice of his profession, and published over sixty articles on engineering and meteorology. He was an international expert on lighthouses, and advised on projects in India, China, Japan, New Zealand and Canada. Lighthouse Construction and Illumination, published in 1881, was an expanded version of his Lighthouse Illumination of 1859, and remained a standard text. Many of his improvements in illumination came into universal use. According to his son, as a result of Thomas' work 'the great sea lights in every quarter of the world now shine more brightly'.

This is a pre-1923 historical reproduction that was curated for quality. Quality assurance was conducted on each of these books in an attempt to remove books with imperfections introduced by the digitization process. Though we have made best efforts - the books may have occasional errors that do not impede the reading experience. We believe this work is culturally important and have elected to bring the book back into print as part of our continuing commitment to the preservation of printed works worldwide.

This is a pre-1923 historical reproduction that was curated for quality. Quality assurance was conducted on each of these books in an attempt to remove books with imperfections introduced by the digitization process. Though we have made best efforts - the books may have occasional errors that do not impede the reading experience. We believe this work is culturally important and have elected to bring the book back into print as part of our continuing commitment to the preservation of printed works worldwide. This text refers to the Bibliobazaar edition.

This scarce antiquarian book is a facsimile reprint of the original. Due to its age, it may contain imperfections such as marks, notations, marginalia and flawed pages. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions that are true to the original work.

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1881 Excerpt: ...effect observed, the result being that the white maintained its superiority until ths of the circle was covered up, when the two lights appeared about equal, thus showing 4 to 1 in favour of the white. 4. Experiments on the Penetrative Power of a White and Red Light.--A light from a gas Argand burner was placed at each end of the scale of a bunsen photometer; one of these lights was made red by means of a red glass chimney, and the other had the usual white glass chimney. In this state the two lights were equalised, so that the disc of the photometer stood exactly midway between. The distance betwixt the flames was 90 inches. A small trough, made of plate glass, was next filled with a mixture of milk and water, so as to endeavour to resemble a fog, and when this was placed next the red light the white light was 2-015 times stronger, and when it was placed next the white light the red appeared 1'96 times stronger. With another mixture containing a larger proportion of milk placed next the red, the white was 5'22 times stronger, and when placed next the white the red was 5'006 times stronger. After this the red glass was taken off, and a white one substituted, when it was found that the light from which the red chimney had been removed was now 4'9 times stronger than the other. This last result agrees pretty well with that obtained by the experiment with the fan, which was 4'0. It thus appears from these experiments that the red glass which is used in the Scotch service absorbs about Jths of the rays, or, in other words, the red must have an initial intensity four times greater than the white in order to produce equality. If it were warrantable to regard the mixture of milk and water as possessing the same absorptive power as fog, it would further follow from...

This scarce antiquarian book is a facsimile reprint of the original. Due to its age, it may contain imperfections such as marks, notations, marginalia and flawed pages. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions that are true to the original work.

High Quality Facsimile Reproduction: Stevenson, Thomas, 1818-1887 Lighthouse Construction And Illumination; [FACSIMILE] :Originally published by London, New York : E. & F.N. Spon in 1881. Book will be printed in black and white, with grayscale images. Book will be 6 inches wide by 9 inches tall and soft cover bound. Any foldouts will be scaled to page size. If the book is larger than 1000 pages, it will be printed and bound in two parts. Due to the age of the original titles, we cannot be held responsible for missing pages, faded, or cut off text. :1881

This is a pre-1923 historical reproduction that was curated for quality. Quality assurance was conducted on each of these books in an attempt to remove books with imperfections introduced by the digitization process. Though we have made best efforts - the books may have occasional errors that do not impede the reading experience. We believe this work is culturally important and have elected to bring the book back into print as part of our continuing commitment to the preservation of printed works worldwide. This text refers to the Bibliobazaar edition.

Excerpt from Lighthouse Construction and IlluminationIN the following pages I have done my best to give a condensed statement, lst, Of the facts and principles which regulate the design and construction of Lighthouse Towers in exposed situations and 2d, Of the practical application of optics to Coast Illumination. The history of the introduc tion of the optical agents, and their combinations to meet different requirements, have, so far as consistent with a clear exposition and division of the subject, been arranged in the chronological order of their publication, or of their employ ment in Lighthouses.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.