Description
The Line of ChordsA straight line segment whose endpoints both lie on the circle Scale rule incorporates a scale from 0° to 120° in 1/2º increments. Two centre 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. The circumference scale indicates the circumference by measuring the diameter. Packed in display wallet.
Rule incorporates a scale from 0° to 120° in 1/2º increments.
The circumference scale indicates the circumference by measuring the diameter.
Packed in display wallet
Two centre 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.
Specification
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