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From the throttle to the President's chair : a story of American railway life

On spine; Throttle to the President's chair

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contributions to the history of musical scales

Purchase of this book includes free trial access to www.million-books.com where you can read more than a million books for free. This is an OCR edition with typos. Excerpt from book: VI. COMPOSITE INSTRUMENTS. Each of the instruments thus far examined is capable of furnishing several notes of approximately constant pitch, but the general principle before us may be embodied in composite instruments, where each note has its own vibrating body; thus . Various forms of harps and dulcimers show strings of regularly decreasing length; here, of course, difference of tension may nullify the scale due to the lengths. One form is shown on Plate 8. 2. Pan's pipes are sometimes seen with regularly decreasing lengths; it is true that this regularity is not very common, but it is the only principle of scale building (except the Chinese cycle of fifths) yet recognizable in these primitive instruments. (Plate 9.) 3. Instruments of the bar type are found frequently in our orchestras and bands under various names, as xyloplume; they are familiar in children's toys and are widely distributed in savage and half-civilized lands under the names'of marimba, bal a fang, harmonicon, etc. (Plate 8 and fig. 8.) The law of the uniform bar is that the frequencies of vibration of a series of bars of the same material are proportional to the quotients of the thickness divided by the square of the length; the breadth is immaterial if it is uniform. So if one takes a series of uniform bars of the same thickness and regularly decreasing length he may obtain a series of ascending notes. Thus, let the first bar be 24 units long (for example 24 cm.), the successive bars decreasing by one unit; the eighth bar will be 17 units long, and the fifteenth bar 10 units; the series of frequencies would then be as the reciprocals of the squares of 24, 23, etc., so giving to the ear a series of increasing intervals; with these proportions bar No. 8 would give the Octave of the first, but...

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The American review : a Whig journal of politics, literature, art, and science 11

Subtitle varies: a Whig journal, devoted to politics and literature Title from caption Vol. 7-11 called also new ser., v. 1-5, no. 4 Editors: 1845-47, G.H. Colton.--1848-49? J.D. Whelpley

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Istoriia bolshevizma v Rossii : ot vozniknoveniia do zakhvata vlasti, 1883-1903-1917 : s prilozheniem dokumentov i portretov

Includes bibliographical references and index On cover: Général Spiridovitch. L'histoire du bolchevisme Émigré Books & Journals - History, Philosophy, Theology (S15)

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[Letter from a Union League activist advocating the re-election of President Abraham Lincoln] : New Haven, September 13th, 1864

P. [3] contains "Presidential campaign documents," a list of pamphlets, available in bulk, from the publisher (Union Congressional Committee?) 18

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English leadwork; its art and history

"A first attempt at a bibliography of publications relating to the history of English leadwork": p. [251]-257

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Punch, or the London Charivari, Volume 100, April 11, 1891

This book was converted from its physical edition to the digital format by a community of volunteers. You may find it for free on the web. Purchase of the Kindle edition includes wireless delivery.

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Essentials in modern European history

"General bibliography": p.[411]-416

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An introduction to folk-lore

Bibliography: p. 297 31

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Record series 1

Vols. for issued in collaboration with: Kingsbridge History Society, Devon Has index: Centenary index to the Transactions of the Thoroton Society of Nottinghamshire, volumes 1-100 (1897-1997) together with the Thoroton Society record series, volumes 1-40 (1903-1997) and the Thoroton Society Excavation Section annual reports, 1936-40 (catalogued with the Transactions in DA670.N89T52) 26 26

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