October 2006
Intermediate to advanced
534 pages
11h 38m
English
Content preview from Machine Drawing
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Chapter 2
Lines, Lettering, and Scales
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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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.