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قراءة كتاب The Library of Work and Play: Mechanics, Indoors and Out
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اللغة: English
The Library of Work and Play: Mechanics, Indoors and Out
الصفحة رقم: 1
THE CHILDREN'S LIBRARY OF WORK AND PLAY.
Mechanics, Indoors and Out
THE CHILDREN'S LIBRARY
OF WORK AND PLAY
| Carpentry and Woodwork |
| By Edwin W. Foster |
| Electricity and Its Everyday Uses |
| By John F. Woodhull, Ph.D. |
| Gardening and Farming |
| By Ellen Eddy Shaw |
| Home Decoration |
| By Charles Franklin Warner, Sc.D. |
| Housekeeping |
| By Elizabeth Hale Gilman |
| Mechanics, Indoors and Out |
| By Fred T. Hodgson |
| Needlecraft |
| By Effie Archer Archer |
| Outdoor Sports, and Games |
| By Claude H. Miller, Ph.B. |
| Outdoor Work |
| By Mary Rogers Miller |
| Working in Metals |
| By Charles Conrad Sleffel |
Photograph by Underwood & Underwood
A Motor Boat Model
"In the making of little models of this kind, you will encounter many things that will tax your skill and ingenuity, as amateur workmen."
"In the making of little models of this kind, you will encounter many things that will tax your skill and ingenuity, as amateur workmen."
MECHANICS, INDOORS
AND OUT
BY FRED T. HODGSON
Garden City New York
DOUBLEDAY, PAGE & COMPANY
1911
ALL RIGHTS RESERVED, INCLUDING THAT OF TRANSLATION INTO FOREIGN LANGUAGES, INCLUDING THE SCANDINAVIAN
COPYRIGHT, 1911, BY DOUBLEDAY, PAGE & COMPANY
ACKNOWLEDGMENT
The publishers wish to acknowledge their indebtedness to the Horace Mann School for their courtesy in permitting certain of the photographs to be taken for this volume.
CONTENTS
PART I
| CHAPTER | PAGE | |
| I. | A Pathway of Cement Purchasing property, River Passaic—Removing rocks and other obstacles—Preparing for cement sidewalk—Digging trench and purchasing materials—Making, laying, and properly placing concrete—The lever and roller and application—Moving heavy bodies with lever and roller—Finishing the cement sidewalk—How to make good concrete walks. |
3 |
| II. | Building of a Boat House Qualities of the inclined plane—Dismantling an old barn and out-houses—Blocks and tackle, ropes and pulleys—Strength and care of ropes—Building a boat-house, using old materials—Strength of timber floors—Method of construction—Holding power of nails—Doors and windows for boat-house—The use of rollers in moving heavy weights—Sliding ways for boat—How heavy stones were raised to tops of Egyptian Pyramids. |
36 |
| III. | Bridge and Boat Work Dimensions of the launch—Arrival of The Mocking-Bird—An interesting boat talk—A sail on the river—Building a small foot-bridge—The same completed—Some rules for sailing a launch—Fitting up boat-house and dock—Preparing block for keel—The winch and its construction—The wheel and axle as a mechanical power—The fusee, and what it means—Some problems solved. |
65 |
| IV. | Making a Gasolene Launch Arrival of boat material—Laying keel and keelson—Setting up the boat and giving her shape—Laying engine bed—Installing engine and propeller—Nailing on planking—Table of offsets—Gasolene engine and carburetor—Dimensions of engine and propeller—Gas engines, generally—Danger of using gasolene—The proper use of yacht flags for signalling. |
84 |
| V. | A Talk About Engines Water around the cylinder—The carburetor and spark coil—Running the engine in boat-house—Varnishing the boat—A steamboat on the river—A story of the first steam engine—How the steam acted in the case—The slide valve, piston and steam chest—Internal and external engine heaters—Horse-power and how calculated—Foot pounds, dry steam and condensation—Expansion of gases, turbines—Gilding the name—Constructing picnic tables and seats—Height of tables, chairs and benches. |
110 |
| VI. | Propeller and Other Screws The launch of the Caroline—Trial of the new boat—Description of the screw as a power—The wheel and worm and endless screw—Formula for counting power of wheel and worm screws of various kinds—Archimedian screw and water lifter—Some data of power of "wheel and worm"—The screw propeller, with data—How to calculate force of propeller screws—Finding pitch and other lines for propeller—The screw auger or boring tool—Adhesion of ordinary wood screws—How to loosen and withdraw rusty screws. |
136 |
| VII. | Aeroplanes Seats for riverside—Model aeroplane for the "Fourth"—Dimension on construction of planes—Why a monoplane rises from the earth—The gyroscope as a balancer—The biplane and its construction—Aeroplanes generally—The French aeroplane "Demoiselle"—How to make a model aeroplane—Illustrations and details of model aeroplane—Some general remarks. |
158 |
| VIII. | Kites, Sundials, Patents The theory of kite-flying—The highest kite ascent—The flat plane kite—The kite a small aeroplane—A box kite of common type—Cellular kites of various kinds—Pairs and bevies of kites—Bird flight and motion—War |