The Popular Science Monthly, Vol. 3: May to October, 1873 (Classic Reprint) - Hardcover

E. L. Youmans

Hardcover

ISBN 10: 0266978347 ISBN 13: 9780266978343

Publisher: Forgotten Books, 2018

Synopsis

Excerpt from The Popular Science Monthly, Vol. 3: May to October, 1873

The vibrations of bells difi'er with their sizes and the metals and alloys which compose them; while wooden and metallic tubes, strained strings, and stretched membranes, illustrate the same thing. If a tense wire be plucked aside, it executes lateral vibrations which difl'er with its varying length, strain, and density. It may vibrate as a whole Fig. 1, while, by relaxing the tension, or by touching or damping it at different points, it may be made to break up into dim ent systems of vibration as shown in Fig. L. The points of rest in such cases are called nodes. Rods and tubes of wood or glass may be made to vibrate longitudinally by rubbing them length wise with the rosined fingers or a damp cloth. Fig. 2 repmnm a glass tube, six feet long and two inches in diameter, which, by being vigorously rubbed in this way, was set into such violent vibration that it went to pieces.

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Edition details

• Publisher: Forgotten Books
• Publication date: 2018
• Language: English
• ISBN 10: 0266978347
• ISBN 13: 9780266978343
• Binding: Hardcover
• Number of pages: 806