METRIC & ARCHITECTURAL SCALE Used to reduce or enlarge drawings. Have more than one graduated scale. Used only as a measurement instrument and not a ruler. Several different scales, including metric, architectural, and engineering. METRIC SCALES IMPERIAL SCALE
Retrieved from Wikimedia Commons at: GNU Free Documentation License, version Painter’s tape by Imjustmatthew. Retrieved from Wikimedia Commons at: Creative Commons Attribution-Share Alike 3.0 Unported license. Standardgraph to 7 mm lettering guides Retrieved from Wikimedia Commons at: Creative Commons Attribution-Share Alike 3.0 Unported license. French curves by Radomil. Retrieved from Wikimedia Commons at: Creative Commons Attribution-Share Alike 3.0 Unported license. Staedler drafting dots photo used by permission of Blick art materials..
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There are ten pieces inside an old storage case. I'm not sure that all the pieces are original to it. The box exterior is marked with Präcision.
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Merriam-Webster dictionary, History & Facts
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Basic Drafting Tools AC-IDD-4 Demonstrate the correct use and management of all drafting tools and supplies. 4.1 Identify and demonstrate the correct operation. - ppt download