Author: Gurley (Firm)
Publisher:
ISBN:
Category : Surveying
Languages : en
Pages : 370

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Author: W. & L.E. Gurley
Publisher:
ISBN:
Category : Surveying
Languages : en
Pages : 552

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Author: Gurley, W. & L.E., Troy, N.Y.
Publisher:
ISBN:
Category : Surveying
Languages : en
Pages : 0

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Author: W. & L.E. Gurley
Publisher:
ISBN:
Category : Surveying
Languages : en
Pages : 372

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Author: Library of Congress
Publisher:
ISBN:
Category : Catalogs, Union
Languages : en
Pages : 712

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Author:
Publisher:
ISBN:
Category : Drawing materials
Languages : en
Pages : 79

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Author: W. & L. E. Gurley
Publisher: Rarebooksclub.com
ISBN: 9781230133553
Category :
Languages : en
Pages : 46

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1908 edition. Excerpt: ...and used with a pair of handles with compensation scale for variations of temperature, for chain measurements. These tapes are U. S. standard measure at 62 Fahrenheit, with about twelve pounds strain. A hundred-foot tape expands.0756 inch for each 10 rise in temperature. The tapes are wound in a leather or metal case with folding handle. See Nos. 800 to 835 of the Price List. Our Excelsior steel tape is well liked for use in mines. It is one-half inch wide, and is mounted on an open brass frame with folding handle. The tape is easily wound and unwound, and the open frame allows the evaporation of moisture. See Nos. 850 to 859B of the Price List. METRIC AND VARA TAPES We can furnish any of our metallic tapes, Nos. 780 to 794, and steel tapes, Nos. 820 to 835, with metric or vara measure on the reverse side instead of links, at extra prices, as quoted on pages 294 and 29,6; and with metric or vara measure only, at prices of regular styles of the same length in feet. Our chain tapes, Nos. 760 to 772, are also graduated with metric measure only, when so ordered, and are marked at each meter, with the first and last meter in decimeters. If graduated with vara measure only, they are marked at each vara, with the first and last vara in tenths. INFORMATION TO PURCHASERS HE Plain Compass will answer for original surveys, or for ascertaining the bearing of lines in the preparation of county maps. The Vernier Compass, or Vernier Transit Compass, will be required where allowance must be made for the magnetic declination, as in retracing the lines of an old survey. When local attraction must be taken into account, in addition to the magnetic declination, and angles must be taken independently of the needle, an instrument with a graduated limb must be...

Author:
Publisher:
ISBN:
Category : American literature
Languages : en
Pages : 2188

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Author: W. And L. E. Gurley
Publisher: Forgotten Books
ISBN: 9780484683166
Category : Technology & Engineering
Languages : en
Pages : 452

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Excerpt from A Manual of the Principal Instruments Used in American Engineering and Surveying, Manufactured by W. And L. E. Gurley Early sixty years ago the manufacture of Civil Engineers' and Surveyors' instruments was begun in this city by Jonas H. Phelps and William Gurley. Mr. Phelps retiring some years later, Lewis E. Gurley formed with William Gurley the firm of W. L. E. Gurley; and under this name the business has since been conducted. The first edition of gurley's manual was published in 185 5, a book of seventy pages. It was well received, and was the first really practical treatise on the use and adjust ment of Civil Engineers' and Surveyors' instruments. The revised and enlarged manual is used as a text book ih many schools and colleges, and is freely quoted in technical publications. The capacity of the factory has been increased as the demands of the profession have grown during the half cen tury, until we are now the most extensive manufacturers of Civil Engineers' and Surveyors' instruments in the world. 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: John Butler Johnson
Publisher:
ISBN:
Category : Surveying
Languages : en
Pages : 816

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