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(This historic book may have numerous typos and missing te...)
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. 1913 Excerpt: ...the square of the "tV outside diameter in in., we get equal.347. Finding this value on the scale at the lower margin of Fig. 2 we trace vertically until the line XX is reached, then horizontally toward the right and read 1525 lbs. per sq. in. as the probable collapsing pressure required. While this value is for a 20-ft. length of tube, as in the preceding chart, it may be used without substantial error for any length greater than about six diameters, or in this case 3 ft., between joints tending to hold the tube to a circular form. Scale for Y Scale for Y Thickness Outside Diameter Plain End Weight Diameter Thickness Outside Diameter Plain End Weighty Diameter 1 Fig. I.--Plotted in terms of thickness. Fig. 2.--Plotted in terms of weight. Fics. 1 and 2.--The strength of Bessemer steel tubes against collapsing pressure. Professor Stewart's paper contains the following observations: The apparent fiber stress under which the different tubes failed varied from about 7000 lbs. for the relatively thinnest to 35,000 lbs. per sq. in. for the relatively thickest walls. Since the average yield point of the material was 37,000 and the tensile strength 58,000 lbs. per sq. in., it would appear that the strength of a tube subjected to a fluid collapsing pressure is not dependent alone upon either the elastic limit or ultimate strength of the material constituting it. The experiments show that the element of greatest weakness in a commercial lap-welded tube is its departure from roundness, even when this departure is comparatively small, as was the case with the tubes tested. The thinnest portion of wall, while in itself an element of weakness, is wholly subordinate to out-of-roundness in its influence upon the collapsing strength of commercial lap-welded tubes. The w...
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Frederick A. Halsey was born on July 12, 1856, at Unadilla, New York, the second of the three children of Doctor Gaius Leonard Halsey and his second wife, Juliet Carrington. He was descended from Thomas Halsey, a native of Hertfordshire, England, who was in Lynn, Massachusetts, in 1637 and in 1640 was one of the group who founded Southampton on Long Island. Francis Whiting Halsey, author and editor, was his elder brother.
After attending Unadilla Academy, Halsey entered Cornell University, where he studied under John E. Sweet and was graduated with a degree in engineering in 1878.
For a year following his graduation Halsey worked as a machinist in Unadilla, then he was employed briefly with the Telegraph Supply Company of Cleveland, Ohio, and as a draftsman with the Delameter Iron Works of New York.
In 1880 Halsey became an engineer with the Rand Drill Company of New York. He designed for the company a slugger drill which he described in an article, "A New Rock Drill, " published in the Transactions of the American Society of Mechanical Engineers (vol. VI, 1885).
The labor troubles of the eighties directed the attention of industrialists to the problem of harmonizing capital and labor, and during these years Halsey worked out a profit-sharing system known as the Halsey premium plan of wage payment. He was unable to persuade his New York employers to institute the system, but in 1890, when he became general manager of the Canadian Rand Drill Company at Sherbrooke, Quebec, he was free to try the plan and put it into operation. According to the system a wage based upon past performance was guaranteed to the workman. For every hour saved in the performance of given work the employee received a premium, or a proportion of the saving, another share going to the employer. Halsey explained the plan at a meeting of the American Society of Mechanical Engineers in 1891, and in 1896 his paper and two others treating relating systems - one presented to the society in 1888 by Henry R. Towne and the other presented in 1895 by Frederick W. Taylor - were published by the American Economic Association under the title, The Adjustment of Wages to Efficiency. Halsey's plan was widely adopted in the United States, despite the opposition of organized labor under Samuel Gompers, and received even greater acceptance in Great Britain. In 1894 Halsey left the Rand Company to join the staff of the American Machinist. As associate editor, 1894 - 1907, and editor-in-chief, 1907 - 1911, he had an excellent opportunity to bring his experience as an engineer and as a manufacturer to bear upon the development of American invention and manufacturing. He not only brought the publication to a new record of circulation and influence, but he opened its columns to discussions of economic and management problems that helped to pave the way for the general adoption later of programs of scientific management and personnel administration in industry.
Shortly after the turn of the century he was one of the leading opponents of the bill - reported favorably from the committee on coinage of the House of Representatives - for the adoption of the metric system of weights and measures in the United States. In 1904 he published The Metric Fallacy, and even after his retirement from the American Machinist in 1911 he continued his fight, organizing and serving as first commissioner of the American Institute of Weights and Measures. Halsey was the author of several works, notably Slide Valve Gears (1890, and later editions); Handbook for Machine Designers and Draftsmen (1913, 2nd ed. , 1916); and Methods of Machine Shop Work (1914). Frederick A. Halsey died on October 20, 1935, in Unadilla, New York, of heart disease.
(This book was originally published prior to 1923, and rep...)
( This work has been selected by scholars as being cultur...)
( This work has been selected by scholars as being cultur...)
( This work has been selected by scholars as being cultur...)
( This work has been selected by scholars as being cultur...)
(This historic book may have numerous typos and missing te...)
( This is a reproduction of a book published before 1923....)
(Originally published in 1896. This volume from the Cornel...)
From 1917 Frederick A. Halsey was one of the founding members of the American Institute of Weights and Measures. Halsey also was a member of the American Economic Association, the American Society of Mechanical Engineers and the National Association of Manufacturers.
On May 12, 1885, Frederick A. Halsey married Stella D. Spencer of Unadilla, by whom he had two daughters.
