Transcription of Engineering Drawings Lecture Letters Numerals and Lines
1 Engineering Drawings : Letters Numerals and Lines A short series of lectures on Engineering Drawing as Part of ENGG1960. By Paul Briozzo Letters , Numerals and Lines Upper case Letters should be used except for conventional refs. mm, kg, kPa Only one style of character should be used throughout a drawing Vertical characters should be used for titles, drawing and reference numbers Underlining of Letters should be avoided All characters on a drawing should be kept clear of Lines Appropriate letter Height for Sheet Sizes Different Types of Lines Available Example of Usage Appropriate line Type and Thickness (mm).
