Necessity
• Drawings drawn with the same size as the objects are called full sized drawing.
• It is not convenient, always, to draw drawings of the object to its actual size. e.g. Buildings, Heavy machines, Bridges, Watches, Electronic devices etc.
Types of Scale
• Plain Scale • प्लेन मापनी
• Diagonal Scale • विकर्ण मापनी
• Vernier Scale • वर्नियर मापनी
• Comparative scale • तुलनात्मक मापनी
• Isometric Scale • आइसोमेट्रिक मापनी
• Scale of Chord • जीवा मापनी
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