Board Practice III
Basic Technology J.S.S 1 Second Term
WEEK 10
Board Practice III
Performance Objectives
Students should be able to:
- Write Freehand legible letters and numerals
Content
Technical Lettering is an impotent part of engineering drawing. It gives information regarding size, and instructions, in the form of notes and dimension. On a drawing, the whole of the written information is always in the form of lettering. It is not handwritten. Also, it may be added here, that Lettering is appropriate and correct words but not printing (Printing means production of printed material on a printing press).
Lettering
The writing of alphabets and numerals such as A, B, C, D…………………….Z and 1, 2, 3……………9, 0 respectively is called Lettering.
Mainly, there are two types of lettering most commonly used in engineering drawing viz. Gothic Lettering and Roman Lettering.
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