Engineering Drawing and Design (A Text-book Of): Including Practical Geometry, Plane and Solid, and Machine and Engine Drawing and Design ... |
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Seite 30
It is necessary to be able to draw the tangent and normal to an ellipse . A tangent to a curve is often of use as showing the direction of the curve . elliptical arch , the ends of the stones , or the radial members , would be normals ...
It is necessary to be able to draw the tangent and normal to an ellipse . A tangent to a curve is often of use as showing the direction of the curve . elliptical arch , the ends of the stones , or the radial members , would be normals ...
Seite 31
In each case draw a tangent and normal to the curve , from a point in the curve and from a point outside the curve . EX . 28. --Work the following by drawing :-( a ) major axis of an ellipse is 6 " , minor axis 23 " , find the foci ...
In each case draw a tangent and normal to the curve , from a point in the curve and from a point outside the curve . EX . 28. --Work the following by drawing :-( a ) major axis of an ellipse is 6 " , minor axis 23 " , find the foci ...
Seite 61
Normal and Tangent . - A normal to an Archimedean spiral is a tangent to the circle , having the pole for a centre , and a radius equal to “ the constant of the curve . ” This constant is found by dividing the difference between the ...
Normal and Tangent . - A normal to an Archimedean spiral is a tangent to the circle , having the pole for a centre , and a radius equal to “ the constant of the curve . ” This constant is found by dividing the difference between the ...
Seite 62
Draw the circle 1:57 OM of radius equal to a , then M N a tangent to the circle is a normal to the curve , and a line , ST , at right angles is & tangent . It is evident from the construction , that a cam shaped to the curve of the ...
Draw the circle 1:57 OM of radius equal to a , then M N a tangent to the circle is a normal to the curve , and a line , ST , at right angles is & tangent . It is evident from the construction , that a cam shaped to the curve of the ...
Seite 67
The normal to a curve at any point is at right angles to the tangent at that point . Thus , in Fig . 53a , N R is a normal at N , being at right angles to the tangent N M. EXAMPLES EX . 1. - A fixed point , F , is 2 " from a fixed ...
The normal to a curve at any point is at right angles to the tangent at that point . Thus , in Fig . 53a , N R is a normal at N , being at right angles to the tangent N M. EXAMPLES EX . 1. - A fixed point , F , is 2 " from a fixed ...
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axis base block called centre CHARLES circle circumference complete cone construction contained convenient curve cutting cycloid cylinder describe Design diagonal diameter directing distance divide divisions draw drawn edge EDITION ellipse Engineer equal EXAMPLES face figure fixed front geometry give given ground line half hexagon horizontal Illustrations inclined intersection isometric joining length LIMITED LONDON mark MECHANICS meeting method motion moves necessary normal Notice oblong obtain parallel passing path perpendicular pitch plan and elevation plane Plates position practical prism PROBLEM produced projection projectors radius represent right angles rolling scale shown side similar simple solid square STEAM straight line STRAND stripes student suppose surface tangent teeth tion touching trace triangle true shape vertical wheels
Beliebte Passagen
Seite 43 - A MANUAL OF MARINE ENGINEERING: COMPRISING THE DESIGNING, CONSTRUCTION, AND WORKING OF MARINE MACHINERY.
Seite 36 - CONTENTS. — I. Manufacture of Cast Iron, Wrought Iron, and Steel. — Composition of Iron and Steel, Quality, Strength, Tests, &c. II. Classification of Steel Ships. III. Considerations in making choice of Type of Vessel. — Framing of Ships. IV. Strains experienced by Ships. — Methods of Computing and Comparing Strengths of Ships. V. Construction of Ships. — Alternative Modes of Construction. — Types of Vessels. — Turret, Self Trimming, and Trunk Steamers, &c. — Rivets and Rivetting,...
Seite 37 - KnOW Your Own Ship : A Simple Explanation of the Stability, Construction, Tonnage, and Freeboard of Ships. By THOS. WALTON, Naval Architect.
Seite 22 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Seite 39 - Navigation, Theoretical and Practical." With numerous Plates, Maps, Diagrams, and Illustrations, and a facsimile Reproduction of a Page from an actual Meteorological Log-Book. SUMMARY OF CONTENTS.
Seite 33 - ... Those who have experience in exact SURVEY-WORK will best know how to appreciate the enormous amount of labour represented by this valuable book. The computations enable the user to ascertain the sines and cosines for a distance of twelve miles to within half an inch, and this BY REFERENCE TO BUT ONE TABLE, in place ot the usual Fifteen minute computations required.
Seite 40 - CONTENTS. — Resolution and Composition of Forces — Work done by Machines and Living Agents — The Mechanical Powers: The Lever; Derricks as Bent Levers — The Wheel and Axle : Windlass ; Ship's Capstan ; Crab Winch— Tackles : the "Old Man"— The Inclined Plane; the Screw— The Centre of Gravity of a Ship and Cargo — Relative Strength of Rope : Steel Wire, Manilla, Hemp, Coir — Derricks and Shears— Calculation of the Cross-breaking Strain of Fir Spar — Centre of Effort of Sails —...
Seite 33 - INTRODUCTION. — Tool Grinding. — Emery Wheels. — Mounting Emery Wheels. — Emery Rings and Cylinders. — Conditions to Ensure Efficient Working. — Leading Types of Machines. — Concave and Convex Grinding. — Cup and Cone Machines. — Multiple Grinding. — ' ' Guest " Universal and Cutter Grinding Machines.
Seite 46 - Review of the Cement Industry — The Early Days of Portland Cement — Composition of Portland Cement — PROCESSES OF MANUFACTURE — The Washmill and the Backs — Flue and Chamber Drying Processes — Calcination of the Cement Mixture — Grinding of the Cement — Composition of Mortar and Concrete — CEMENT TESTING — CHEMICAL ANALYSIS of Portland Cement, Lime, and Raw Materials — Employment of Slags for Cement Making — • Scott's Cement, Selenitic Cement, and Cements produced from Sewage...
Seite 50 - SECOND EDITION, Revised. In Crown 8vo. Handsome Cloth. Profusely Illustrated. 8s. 6d. net. SANITARY ENGINEERING: A Practical Manual of Town Drainage and Sewage and Refuse Disposal. For Sanitary Authorities, Engineers, Inspectors, Architects, Contractors, and Students. BY FRANCIS WOOD, AMlNsr.CE, FGS, Borough Engineer and Surveyor, Fulham ; late Borough Engineer, Bacup, Lanes.
Bibliografische Informationen
| Titel | Engineering Drawing and Design (A Text-book Of): Including Practical Geometry, Plane and Solid, and Machine and Engine Drawing and Design ... Teil 1 von Engineering Drawing and Design (a Text-book Of) : Including Practical Geometry, Plane and Solid, and Machine and Engine Drawing and Design, Sidney Herbert Wells Griffin's scientific text-books |
| Autor/in | Sidney Herbert Wells |
| Ausgabe | 3 |
| Verlag | C. Griffin & Company, 1900 |
| Original von | Harvard University |
| Digitalisiert | 2. Apr. 2008 |
| Zitat exportieren | BiBTeX EndNote RefMan |