T square
instrument
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use in drafting
- In square
…T-shaped instrument known as a T square is used for establishing a horizontal reference on the drafting board.
Read More - In drafting: Equipment
Most widely known are the T square, triangle, protractor, and compass; the parallel straightedge is an alternative to the T square. The drafting machine, introduced about 1930, allows a straightedge to be moved while maintaining any desired angle between it and the edge of the drawing board. Combining the functions…
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