Edward P Hyde F E Cady (4 results)

Pamphlet. Condition: Very Good. Bull Bureau Standards, Vol 3, pp. 357-369, Illus, Extracted from orig vol, begins with title page, trimmed & stapled, thus is like a pamphlet, else VG.

Paperback. Condition: New. Print on Demand. This book explores the use of the rotating lamp method in determining the mean horizontal intensity of incandescent lamps. The author, an expert in photometry, begins by giving an overview of existing methods for assessing lamp intensity before introducing the rotating lamp method itself. A thorough investigation of the rotating lamp method follows. This includes an examination of the errors in the method resulting from the lamp's filament distortion and from the flickering effect caused by high-speed rotation. Furthermore, the author proposes a modified version of the rotating lamp technique that uses an auxiliary mirror to reduce the flickering effect while retaining accuracy. The author concludes by discussing the practical applications of the modified rotating lamp method, establishing it as a reliable and precise tool for measuring the mean horizontal intensity of incandescent lamps. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item.…

Paperback. Condition: New. Print on Demand. This book analyzes how frosted incandescent lamps differ from plain ones. The author, an expert in the field, provides a comparative study of various frosted and plain lamps, discussing the advantages and disadvantages of each. Insights are provided on mean horizontal intensity, mean spherical candlepower, and useful life. The author posits that the reduced lifespan of frosted lamps is due to increased light absorption by the deposited carbon film. The effects of frosting on distribution, life, and absorption are examined in-depth, with the author concluding that the useful life of frosted lamps is reduced to 60-70% of plain lamps due to this increased absorption, rather than a difference in physical or mechanical properties. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item.…

LeatherBound. Condition: New. BOOKS ARE EXEMPT FROM IMPORT DUTIES AND TARIFFS; NO EXTRA CHARGES APPLY. Leather Binding on Spine and Corners with Golden leaf printing on spine. Bound in genuine leather with Satin ribbon page markers and Spine with raised gilt bands. A perfect gift for your loved ones. Reprinted from 1907 edition. NO changes have been made to the original text. This is NOT a retyped or an ocr'd reprint. Illustrations, Index, if any, are included in black and white. Each page is checked manually before printing. As this print on demand book is reprinted from a very old book, there could be some missing or flawed pages, but we always try to make the book as complete as possible. Fold-outs, if any, are not part of the book. If the original book was published in multiple volumes then this reprint is of only one volume, not the whole set and contains approximately 28 pages. IF YOU WISH TO ORDER PARTICULAR VOLUME OR ALL THE VOLUMES YOU CAN CONTACT US. Resized as per current standards. Sewing binding for longer life, where the book block is actually sewn (smythe sewn/section sewn) with thread before binding which results in a more durable type of binding. Language: English.…