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Machine Drawing by N. D. Junnarkar

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Chapter 2

Lines, Lettering, and Scales

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This chapter contains information about lines, letters and scales in engineering drawing

After reading this chapter you will be able to

  • use different types of lines
  • choose the proper lettering for the text accompaying the drawing
  • recognise what precautions should be taken while drawing
2.1 LINES

Engineering drawing uses various types of lines to describe different objects and different purposes. Every line in a drawing has a definite meaning. The thickness and darkness of a line are two different things. To monitor thickness of the line, the draughtsman will have to adjust the pressure applied on the ...

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