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The manuals published by W. & L.E. Gurley, one of America s leading producers of mathematical and scientific instruments, have been used by generations of engineers and surveyors. In this manual Gurley describes all of its various instruments: how they are calibrated, used and maintained, and includes a catalog of its complete instrument line. This 1874 edition is especially valuable since it is one of the earliest and is rarely found. With an...

Excerpt from A Handbook for the Use of Sealers of Weights and MeasuresWe present herewith the fourth edition of the Sealers Handbook, which supersedes all previous editions, in the hope that it will prove of benefit to those interested in the accurate inspecting and testing of weights and measures.All unnecessary details have been omitted and explana tions made as clearly and simply as possible in order that this book may stimulate the effort ...

Excerpt from A Handbook for the Use of Sealers of Weights and MeasuresWe present herewith the fourth edition of the Sealers Handbook, which supersedes all previous editions, in the hope that it will prove of benefit to those interested in the accurate inspecting and testing of weights and measures.All unnecessary details have been omitted and explana tions made as clearly and simply as possible in order that this book may stimulate the effort ...

Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve ...

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Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve ...

Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve ...

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Excerpt from A Manual of the Principal Instruments Used in American Engineering and Surveying, Manufactured by W. And L. E. GurleyEarly 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. T...

Excerpt from A Manual of the Principal Instruments Used in American Engineering and Surveying: Manufactured by W. And L. E. Gurley, Troy, N. YWe are now much better furnished with facilities of all kinds to prosecute. With enlarged success the business which we have conducted over twenty-six years.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a repr...

Excerpt from A Manual of the Principal Instruments Used in American Engineering and SurveyingWe are now much better furnished with facilities of all kinds to prosecute with enlarged success the business which we have conducted over thirty years.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 Bo...

Excerpt from Manual of Gurley Hydraulic Engineering InstrumentsPart II. Gurley automatic water stage registers - Their Con strutcion, Installation and Operation introduction conditions requiring the use OF automatic water stage registers 1 - Where water is valuable and exceptionally accurate records are necessa1y. 2. - Where artificial or natural stream conditions cause sudden changes in stage in 24 hours. 3. - Where records are desired on a ¿...

Excerpt from Manual of the Principal Instruments Used in American Engineering and Surveying, Manufactured by W. And L. E. GurleyWe have usually made our needles about one twentieth of an inch broad and one third as thick, parallel from end to end, the north and south poles being distinguished from each other, by a small scollop on the north end.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find m...

Excerpt from A Manual of the Principal Instruments Used in American Engineering and SurveyingWe are now much better furnished with facilities of all kinds to prosecute with enlarged success the business which we have conducted over thirty years.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 Bo...