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Author : Richard Helsham
Publisher : Unknown
Page : 458 pages
File Size : 49,7 Mb
Release : 1767
Category : Mechanics
ISBN : UOM:39015062689578
Author : Richard Helsham
Publisher : Forgotten Books
Page : 442 pages
File Size : 42,8 Mb
Release : 2017-07-24
Category : Science
ISBN : 0282511121
Excerpt from A Course of Lectures in Natural Philosophy In experimental s'lojbply propqfitiont collected from tbc Ph muomena by induction. 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 : Thomas Young
Publisher : Forgotten Books
Page : 638 pages
File Size : 44,9 Mb
Release : 2017-10-20
Category : Science
ISBN : 026553819X
Excerpt from A Course of Lectures on Natural Philosophy and the Mechanical Arts, Vol. 1 of 2: With References and Notes; Text What Dr. Young has done cannot, however, be better explained than in his own Preface, of which it is sufficient to remark, that the Author has in no instance over-estimated the importance of his labours. 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 : Thomas Young
Publisher : Forgotten Books
Page : 792 pages
File Size : 47,6 Mb
Release : 2016-11-19
Category : Science
ISBN : 1334329516
Excerpt from A Course of Lectures on Natural Philosophy and the Mechanical Arts, Vol. 2 of 2 The fir'st part of this-volume, consisting Of the mathematical elements of natural philosophy, is in part reprinted from the syllabus of the lectures, but considerable additions have been made to it, both of elementary matter and of original investigations. These elements are perfectly in dependent of every other work introductory to any branch of the ma thematics, and they comprehend all the propositions which are required for forming a' complete series of demonstrations, leading to every case of importance that occurs-in naturalphilosophy, with the exception of some of the more intricate calculations Of astronomy. It was therefore absolutely necessary that they should be expressed in the most concise manner that was possible; yet except a few propositions which have been cursoril y introduced in some of the scholia, no essential step of a demon stration has ever been omitted. The best use, that a 'student'could make of these elements, would be to read over each theorem or problem superficially, then to endeavour to form for himself a more particular demonstration, and to compare this again with that which is here given: for the exertion of a certain degree of invention is by far the Surest mode Of fixing any principle Of science in the mind. 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 : James William M'Gauley
Publisher : Unknown
Page : 698 pages
File Size : 48,7 Mb
Release : 2015-07-04
Category : Science
ISBN : 1330681150
Excerpt from Lectures on Natural Philosophy Tub latest discoveries and improvements have been, as far as possible, introduced into this enlarged edition. - When the original treatise was written, since it was intended, chiefly, as a means of preparing the teachers in training for ray lectures, much was reserved for oral explanation. But I have endeavoured, to adapt the present for private study; and have given in it every detail which is likely to be of any value to those who arc desirous of acquiring accurate, though, at the same time, elementary, information. Since no amount of scientific knowledge worth possessing, can be obtained without much labour and assiduity, an attempt to popularize subjects which do not admit of it, must be attended with the worst consequences, and practically illustrate the wisdom of the poet's advice - "A little learning is a dangerous thing; Drink deep, or taste not the Pierian spring." None are found to make such gross mistakes, or to fall into so great absurdities, as those who try to learn without trouble, and by the mere hasty perusal of philosophical works. The various branches of experimental science are intimately connected, and serve, often, to explain each other. Hence, numerous references will be found in the following work: and, by means of them, a fact or a principle, that may have been forgotten, can be easily recalled to memory. 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 : 446 pages
File Size : 42,9 Mb
Release : 1777
Category : Electronic
ISBN : BL:A0025721176
Author : Richard Helsham
Publisher : Theclassics.Us
Page : 116 pages
File Size : 40,5 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 : James William D. 1867 M'Gauley
Publisher : Wentworth Press
Page : 694 pages
File Size : 52,6 Mb
Release : 2016-08-27
Category : History
ISBN : 1371633827
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 was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. 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. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. 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.
Author : Richard Helsham
Publisher : Unknown
Page : 444 pages
File Size : 41,5 Mb
Release : 1778
Category : Electronic
ISBN : BL:A0022071911
Author : Richard HELSHAM
Publisher : Unknown
Page : 0 pages
File Size : 44,5 Mb
Release : 1767
Category : Electronic
ISBN : OCLC:559384656
Author : Richard Helsham
Publisher : Unknown
Page : 355 pages
File Size : 43,7 Mb
Release : 1968
Category : Electronic
ISBN : OCLC:420615534
Author : Richard Helsham
Publisher : Palala Press
Page : 128 pages
File Size : 51,5 Mb
Release : 2016-05-24
Category : Electronic
ISBN : 1359033858
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 was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. 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. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. 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.
Author : John Herbert Sangster
Publisher : Unknown
Page : 222 pages
File Size : 50,7 Mb
Release : 2015-06-29
Category : Science
ISBN : 1330489829
Excerpt from Natural Philosophy The following Treatise was originally designed to serve as a handbook or companion to the lectures on Natural Philosophy, delivered to the junior division in the Normal School. Although numerous text-books on the subject were already in existence, it was found that they were either too abstruse and technical for beginners, or too general and superficial to be of much practical use. The aim of the present little work is to occupy a position between these extremes - to present the leading facts of the science in a form so concise as to be readily remembered, and at the same time to give that thorough drilling upon the principles which is absolutely essential to their full comprehension. As a hand-book to lectures fully illustrated by apparatus, it was not necessary to introduce many wood-cuts, and accordingly they have been given only where absolutely required. The chief peculiarity of this book consists in the introduction, to a large extent, of problems calculated to impart that intimate and practical knowledge of the facts and principles of Mechanical Science, without which the student's information on the subject is, comparatively speaking, useless. How frequently do we meet with a pupil who has read carefully through one of the common text books on Natural Philosophy without acquiring any very clear or definite ideas of the science! 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 Barton
Publisher : Forgotten Books
Page : 278 pages
File Size : 43,5 Mb
Release : 2016-08-23
Category : Social Science
ISBN : 1333326297
Excerpt from Lectures in Natural Philosophy: Designed, to Be a Foundation, for Reasoning Pertinently, Upon the Petrifications, Gems, Crystals, and Sanative Quality of Lough Neagh in Ireland The ace where it was found, and (web might be made for it very near, if proximity of a fall in the river, which is marked in the. 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 : George Atwood
Publisher : Unknown
Page : 276 pages
File Size : 40,5 Mb
Release : 2008-06-01
Category : Electronic
ISBN : 1436768225
This scarce antiquarian book is a facsimile reprint of the original. Due to its age, it may contain imperfections such as marks, notations, marginalia and flawed pages. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions that are true to the original work.
