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adjustable square
tool
Also known as: bevel square
Learn about this topic in these articles:
development of squares
- In hand tool: Plumb line, level, and square
The adjustable, or bevel, square was used for angles other than 90 degrees beginning in the 17th century. In the earliest examples, the thin blade moved stiffly because it was riveted into a slot in the thick blade. Later models of the 19th century, however, were…
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