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Excerpt from Descriptive and General Catalogue of Philosophical Apparatus and Chemical Preparations, 1854: Manufactured and Sold by Bland and Long, Opticians, Philosophical, Photographical and Chemical Instrument Makers, and Operative Chemists Messrs. Bum) and Lone employ experienced hands in the packing of goods, and every precaution is taken to prevent accident and breakage; consequently they cannot hold themselves responsible for damage done after leaving their establishment. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1854 edition. Excerpt: ...3J feet long and 3 feet wide 4 14s. 6d. and 6 0 0 ACOUSTICS. This section treats of those Instruments that illustrate the nature and properties of sound, and the variation it undergoes in quality aud intensity under different circumstances. Beli, with pendulum escapement attached to the hammer, for striking the Bell under the receiver of an Air Pump, to show the effect of atmospheres of different density on the conduction of sound 110 Sliding-tube arrangement, for increasing the intensity of the sound, in addition to the foregoing experiment. 2 12 6 Model, to show the composition of different modes of undulation, and for showing the normal or transverse undulations in a row of particles., 4 14 6 Apparatus, formed of two series of curves drawn on a revolving cylinder, for showing progressive and stationary longitudinal undulations in a row of particles.... 3 13 0 Kaleidophone.wheatstone's, for showing experimentally the principle of super-position of small motions, 10s. 6d., iSl. 1s., and 1116 Monoohord, an instrument for exhibiting the relation and subdivision of musical sounds, 2 2s., ' 3 3s., and 5 5 0 Ditto, with arrangement for regulating the tension of a chord.. A 14s. 6d., 5 10s. and 7 7 0 Apparatus, forshowing the reflexion and propagation of a wave, and the conversion of progressive into stationary undulations... 1s., 2 2s., and 3 3 0 Apparatus, Biot's, for producing a grave harmonic from a siugle string... 15s. and 10 0 By the arrangement of this instrument a note can be produced one-fifth below that natural to the chord. Apparatus for showing the production of subordinate sounds or harmonics with a single string, with shifting weight.. 10s. 6d. and 0 15 0 s. d. Apparatus for...
Originally published in the 19th century, this fascinating catalog remains a valuable resource for scientists, historians, and collectors. Bland & Long's descriptions and illustrations of their scientific instruments and products provide a glimpse into the cutting-edge technology of their day, as well as a window into the evolution of science over time. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.