Carpenters' squares

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| מספר מערכת 987007284884905171
Information for Authority record
Name (Latin)
Carpenters' squares
Other forms of name
nne Carpenters' square
Steel squares
See Also From tracing topical name
Carpentry Tools
Squares (Instruments)
MARC
MARC
Other Identifiers
Wikidata: Q3275823
Library of congress: sh 85020433
Sources of Information
  • Web. 3
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Wikipedia description:

The steel square is a tool used in carpentry. Carpenters use various tools to lay out structures that are square (that is, built at accurately measured right angles), many of which are made of steel, but the name steel square refers to a specific long-armed square that has additional uses for measurement, especially of various angles. It consists of a long, wider arm and a shorter, narrower arm, which meet at an angle of 90 degrees (a right angle). Today the steel square is more commonly referred to as the framing square or carpenter's square, and such squares are no longer invariably made of steel (as they were many decades ago); they can also be made of aluminum or polymers, which are light and resistant to rust. The longer wider arm is 50 millimetres (2.0 in) wide, and is called the blade; the shorter narrower arm, is 37 millimetres (1.5 in) wide, and is called the tongue. The square has many uses, including laying out common rafters, hip rafters and stairs. It has a diagonal scale, board foot scale and an octagonal scale. On the newer framing squares there are degree conversions for different pitches and fractional equivalents. Framing squares may also be used as winding sticks.

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