Lettering in engineering drawing pdf. Lesson 3: Line & Lettering Engineering drawing Every language has its own rules of grammar. The word single-stroke should not be taken to mean that the letter should be made in one stroke without lifting the pencil. The style of text Engineering lettering is a lesson that teaches the theory and practice of drawing letters, numbers, and symbols on engineering drawings. This term is somewhat archaic today, but what it means is simply a style of text that does not have serifs or ornaments of any kind. All text on engineering drawings should be simple and readable. ASME standards establish the line and lettering practices for use in the preparation of engineering drawings, including the recognition of the requirements of CAD and manual preparation for their reduction and reproduction. Hold your pencil in the position shown. The foundation is the same for both, whether the Lettering: Lettering is defined as writing of titles, sub-titles, dimensions, etc. The Bureau of Indian Standards (IS : 9609-2001) recommends single-stroke lettering for use in engineering drawing. Engineering Drawing Engineering Lettering - Free download as Word Doc (.