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Author : Richard Helsham
Publisher : Unknown
Page : 446 pages
File Size : 48,8 Mb
Release : 1739
Category : Mechanics
ISBN : BSB:BSB10131183
Author : Helsham
Publisher : Unknown
Page : 446 pages
File Size : 48,7 Mb
Release : 1739
Category : Electronic
ISBN : UBBS:UBBS-00045635
Author : Richard HELSHAM
Publisher : Unknown
Page : 442 pages
File Size : 45,5 Mb
Release : 1739
Category : Electronic
ISBN : BL:A0023017983
Author : Richard Helsham
Publisher : Unknown
Page : 444 pages
File Size : 54,7 Mb
Release : 1778
Category : Electronic
ISBN : BL:A0022071911
Author : Thomas Young
Publisher : Unknown
Page : 998 pages
File Size : 45,8 Mb
Release : 1807
Category : Mechanics
ISBN : PRNC:32101036883369
Author : Thomas Young
Publisher : Unknown
Page : 790 pages
File Size : 49,9 Mb
Release : 1807
Category : Electronic
ISBN : BSB:BSB10057962
Author : RICHARD. HELSHAM
Publisher : Unknown
Page : 0 pages
File Size : 52,8 Mb
Release : 2018
Category : Electronic
ISBN : 103375868X
Author : Richard Helsham
Publisher : Theclassics.Us
Page : 116 pages
File Size : 46,6 Mb
Release : 2013-09
Category : Electronic
ISBN : 1230306447
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. 1739 edition. Excerpt: ... LECTURE VIII. Of Compound Engines. Lect.t, he mechanick powers, which for the moft VIII... part are made ufe of feparately, may in ma-Vy-' ny caes De combined together, and engines thereby formed of fuch efficacy, as that by the help thereof exceeding great weights may be raifed by very fmall powers. In all fuch compounded machines the proportion, which the moving power bears to the weight when they balance each other, is compounded of the feveral ratios which thofe powers have to the weight which balance it in each fimple machine, whereof the compounded engine confifts. Thus when a machine is compofed of an axle in the wheel and a pulley, by fattening the drawing rope of the one to the axle of the other; the power which balances the weight in fuch a machine muft be to the weight, in a ratio compounded of the ratio which that power has to the weight which balances it by means of the axle in the wheel alone, and of the ratio which that-power has to the weight, which balances the weight by means of the pulley alone. Exp. i. For inftance, if the nature of the pulley be fuch, as that a power equal to one tenth part of the weight balances it; and if the axle in the wheel be fuch, as that a power equal to one fifth part of the weight can rupport it; the power, which balanceg the weight in the compounded machine, will be to the weight in a ratio compounded of one to ten, and of one to five, that is, it will be to the weight as one to fifty;. for, fince the weight is in effect fattened to the axle of the wheel by means of the rope which goes round the pulleys, it is evident that the axle will be drawn by a force equal to that, which when applied to the drawing rope of theLEcT pulley is requifite to fuftain the weight by means of VIII. the pulley, .
Author : Thomas Young
Publisher : Unknown
Page : 230 pages
File Size : 54,6 Mb
Release : 1845
Category : Science
ISBN : UCAL:$B36168
Author : Richard HELSHAM
Publisher : Unknown
Page : 0 pages
File Size : 41,8 Mb
Release : 1755
Category : Electronic
ISBN : OCLC:559384639
Author : Richard Helsham
Publisher : Unknown
Page : 500 pages
File Size : 50,8 Mb
Release : 1802
Category : Mechanics
ISBN : NYPL:33433057753133
Author : Richard HELSHAM
Publisher : Unknown
Page : 0 pages
File Size : 54,7 Mb
Release : 1767
Category : Electronic
ISBN : OCLC:559384656
Author : Richard Helsham
Publisher : Forgotten Books
Page : 440 pages
File Size : 53,7 Mb
Release : 2017-07-21
Category : Science
ISBN : 0282477071
Excerpt from A Course of Lectures in Natural Philosophy R U L E II. Of natural cyan: tberefore qf fee jam? Kind tbefanze can/es are to be a gned, a: far a: it can ae done. As of refpiration in a mah and in a beafi; of the defcent of {tones in Europe and in America; of light in'a culinary fire and in the fun of the reflexion of light in the earth and in the planets. 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.
Author : Richard Helsham
Publisher : Unknown
Page : 355 pages
File Size : 45,7 Mb
Release : 1968
Category : Electronic
ISBN : OCLC:420615534
Author : George Atwood
Publisher : Unknown
Page : 284 pages
File Size : 41,8 Mb
Release : 1784
Category : Physics
ISBN : UOM:39015064482998
