A Manual of the Principal Instruments Used in American Engineering and Surveying, Manufactured by W. And L. E. Gurley (Classic Reprint) - Tapa dura

Sinopsis

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.

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