Clipart pictures of tools and methods for mechanical drawing, including T squares, scales, and mechanical pencils.
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Circle Triangle Tangents
Six equal circles tangent to each other and to the sides of the triangle... |
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Compasses, Beam
For larger circles beam compasses are used. The two parts called channels which carry the pen and the needle point are clamped to a wooden beam at a distance equal to the radius of the circle. The t... |
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Drawing 15 and 75 degree lines
It is possible to draw lines forming angles of 15 and 75 degrees by arranging two triangles. ... |
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Drawing Board
A drawing board is usually made of well-seasoned and straight-grained soft pine, the grain running lengthwise of the board. ... |
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Drawing Board Setup
This is the standard layout for plates. ... |
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Drawing Board Setup Lettering
This is a sample lettering plate. ... |
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Drawing Lines 1
Dotted lines can indicate a relationship among figures, such as one inside another.... |
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Drawing Lines 2
Shading of the right and lower sides gives dimension to drawings.... |
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Drawing Lines 3
Top and side views of a hexagonal pyramid shaded with dimension lines.... |
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Drawing Lines 4
Circles should be unshaded or shaded evenly with thick and thin lines, changing at about 45 degrees.... |
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Drawing Parallel Lines
T-squares can be used in conjunction with a drawing board to draw parallel lines. ... |
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Drawing Rectangles
A triangle and a T-square can be used in conjunction to draw a rectangle. ... |
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Drawing Sections
Different surfaces can be indicated by changing the pattern or direction of lines.... |
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Drawing Vertical Parallel Lines
Triangles are used in drawing lines at right angles to the T-square. ... |
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Erasing shield, shapes
This erasing shield can erase multiple sizes and shapes. ... |
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Erasing shield, straight line
An erasing shield of thin metal is convenient in erasing desired shapes. ... |
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Exercise, arc
Arc pattern exercise ... |
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Exercise, box
Box pattern exercise ... |
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Exercise, circles
Circle pattern exercise: Draw diagonals A C and D B, and with the T-square draw the line E H. Now mark off on E H distances of 1.4 inch, and with H as a center describe, by means of the compasses, ci... |
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Exercise, Diamond
Diamond pattern exercise: Divide A D and A B into 4 equal parts, then draw horizontal lines through E, F, and G and vertical lines through L, M, and N. Draw lines from A and B to the intersection O o... |
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Exercise, squares
Square pattern exercise: Divide A D and A B into 4 equal parts and draw horizontal and vertical lines. Now divide these dimensions, A L, M N, etc., and E F, G B, etc., into 4 equal parts- each 1/4 in... |
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Exercise, weave
Weave pattern exercise: Divide A D and A B into 8 equal parts, and through the points O, P, Q, H, I, J, etc., draw horizontal and vertical lines. Now draw lines connecting O and H, P and I, Q and J, ... |
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Hyperbola First Method
Draftsman's first method to draw a parabola... |
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Hyperbola Second Method
Draftsman's second method for drawing a hyperbola... |
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Orthographic Pyramid Projection
An orthographic projection of a pyramid from three dimensional space into two dimensional space... |