369 صفحه پی دی اف Preface to the Fourth Edition ixPreface to the Third Edition xiPreface to the Second Edition xiiiAcknowledgements to the Fourth Edition xvAcknowledgements to the Third Edition xviiAcknowledgements to the Second Edition xix1 General InformationClimate maps 1Metric system 8Metric units 10Temperature 11Imperial units 12Conversion factors 13Greek alphabet 16Roman numerals 16Geometric data 17Paper sizes 23CAD 25Drawing conventions 26Perspective drawing – method of setting up ...