First Principles of Mechanical and Engineering Drawing

First Principles of Mechanical and Engineering Drawing
اسم المؤلف
H Holtbuttcrfill
التاريخ
27 نوفمبر 2017
المشاهدات
التقييم
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First Principles of Mechanical and Engineering Drawing
H Holtbuttcrfill
CONTENTS
Introduction.
— THE VALCE OF A KNOWLEDGE OK DRAWING TO THE STUDENT
FAf.n
CHAPTER I
THE TOOLS AND MATERIALS REQUIRED BY THE STUDENT
Drawing Pencils -Board— Tce-Sgqare— Adjustable Bladed Square— Sct-Sgunrea—
— Drawing – Pins— Paper— Rubbor— Ink— Drawing Inatru- J
meats =ll
CHAPTER II
MECHANICAL AND FREEHAND DRAWING : THEIR DIPYKRENCK
” A N D I I K K A
Tho ~ meaning of Freehand Drawing— How objects are made visible—
The What usea of Perspective a Perspective is— .Drawing How a Perspective to tho workman Drawing — An is Orthographic obtained—
Projection, and Low obtained— The meaning of Plan and Elevation 12— IG
CHAPTER ITT
PRACTICAL GEOMETRY AND MECHANICAL DRAWING
The meaning Solid Geometry of the term “ Geometry**— The difference between Plane and
Plane Geometrical — Definition Figares of Geometrical terms used in the work— 17— 22
CHAPTER TV
PLANE GEOMETRY PROBLEMS
To divide a straight line into two equal parts
— To eroct a perpendicular
to a given straight line— To let fall n perpendicular to a straight
line
— To bisect a given angle— To draw a. line parallel to a given lino
— To draw an angle equal to a given angle — To draw a line making 23
au angle with a given line — 27VlII CONTENTS
TAI:R
CHAPTER V
PLANK GEOMETRICAL FIGURES
To construct an equilateral triangle, an isosceles triangle, a scalene triangle
— To construct a square, a rectangle, a rhombus, a rhomboid, a trapezium, a regular pentagon, a hexagon, a regular octagon 28— 34
CHAPTER VI
ORTHOGRAPHIC PUO.TECTTON
The Planes of Projection— The difference between a vertical and a perpendicular plane— The relative position of the planes of projection—
The projections of a point and a straight line— The projections of a
line inclined to the planes of projection 35— 41
CHAPTER VII
PROJECTION OP PT.ANR PIOT’RES
The Projection of the Triangle— The square— The pentagon and the
42
hexagon , etc. — 40
THE PROJECTION OK SOLIDS
Definitions of the Plane Solids
Models of the Solids necessary — Thetocube the ,Student the prismfor , the a thorough pyramid , know etc.— –
ledge of their projection— Elevations of objects given to find their
plans— Meaning of section, side elevation, sectional plans and elevations 47- ns
CHAPTER TV
PROJECTION IN THE UPPER PLANK
The front elevation given, to find the side elevation— The sectional elevations of the solid and hollow cube, prism and pyramid 59— 70
PROJECTION FROM THF. LOWER TO THK UPPER PLANK
The plans of objects given, to find their elevations ami sectional elevations 71
— 76
CHAPTER XI
LINTNO
-IN DRAWINGS IN INK
Tiie kind of lines to be used
— The direction in which the light is supposed
to fall on the object represented— To find the angle that the rays of
light make with the planes of projection— Why different qualities of
lines arc used in Mechanical Drawing— The importance of correctness
in made their application— How ink for lining-in a drawing should be
— And how to fill the drawing-pen 77— 84
Urheberre illich geschutzles MaterialCONTENTS IX
HACK
CHAPTER vrr
Tire PROJECTION OF CUKYEP LINES
The definition of a curved line
— The front elevation of a cm veil lino Icing
given, to find its aide elevation and plan— How tofind the projection*
of a line of double curvature
— The projections of combined curved ami
right lines— The plan of a circular plate being given, to find its clova»
lion
— To draw un ellipse … » « » 85— 97
CHAPTER XIII
THE PROJECTION or SOLIDS \VTIEI CURVED SERFAGES
The definitions of the cylinder, the cone, a.;>«3 the sphere— The plan of a
cylinder given, to find iU elevation in various positions— ‘The plan
of a cone given, to find its elevation in different positions 93— 102
CHAPTER XIV
THE PROJECTION OP THE SECTIONS OP A OTT.TNPP.R
The elevation of a cylinder given, to End ita sectional elevation and
plan … … 103— 105
CHAPTER XV
THE PROJECTION OF THE COMO SECTIONS
The definitions of the sections of a cone
being given, to find its sectional projection — The plan and elevation of a cone
— To find the true form of
any projections section of x cylinder or cone— The sections of a sphere and their
lining- in In— ink Definitions of solidsofuith the subsidiary curved surfaces solids — of Hon revolution – the light — falls The
upon them … … 106— 119
CHAPTER XVI
THE PROJECTION OF OBJECTS INCIIKED TO THE PEASE 8* np
PROJECTION
To find projection the projection of plane offigures a pointttlieu , and line inclined lyingtoon theanplanes inclined of projection plane— ‘The

The projection of a solid when inclined to the planes of its projection
— The projections of the solid and hollow cube, the pyramid, and
cone, when inclined to the pianos of their projection— ‘The projections of a six-aided nut, -when inclined to the plane; of projection … 120— HI
CHAPTER VVTT
THE PENETRATION AND INTERSECTION OP SOI.IDS
Tho penetration of prisms by prisma at right angles to each other
penetration of prisms having their axes inclined to each other — The … 142— 352
Urheberrechtlich geschutzles MaterialX CONTENTS
PAOB
CHAPTER X V I I I
THE INTERSECTIONS OF PLANK SOLIDS (continued )
The penetration of a prism by a pyramid— The penetration of pyramids
by pyramids — 163
CHAPTER XTX
THE INTERSECTIONS OF SOLIDS HAVING CURVED SURFACES
The intersections of equal-sized cylinders at right angles to each other—
The intersection of unequal-sized cylinders— The intersection of inclined cylinders— The intersection of the cylinder ami cone— The
intersection of cones by cylinders ami cones— The intersection of the
.sphere by prisms and pyramids — The intersection of the sphere bv
the cone and cylinder … 164— 186
CHAPTER XX
THE DEVELOPMENT OF THK SURFACES OF SOLIDS
What a development means— What is a developable sarface— The development of plane surfaced solids— The development of the surface of a
pyromidal-9ha]Ktl solid, having a curved surface— The development
of the oblique pyramid— The development of the surface of a right
cylinder, and the frustum of a right cylinder— The development of
the surface of an oblique cylinder, and of a right and oblique cone—
The development of the -surface of the sphere and hemisphere … 187-211
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