Stanley 60R Line of Chords Rule 600mm 1-35-333
60R Line of Chords Rule 600mm 1-35-3
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Rule incorporates a scale from 0A¢ to 120A) in 1/2A).
Two center dots are provided, one on each blade and with the aid of dividers, the rule can be set at any angle, or an existing angle can be determined line of chords.
The circumferen