The Centisimal Frame and Instrument for the Measurement of Angles

£10.00

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Description

The Instrument For The Measurement Of Angles is used with the Fraction Circles to demonstrate how angles are measured in degrees. It is a thick plate calibrated in 360 degrees with a recessed circle for positioning a fraction piece to be measured.
The Centisimal Frame is used with the Fraction Circles to demonstrate how fractions may be reduced to decimal fractions. It is a thick plate with a recessed circle for positioning the fraction piece to be converted to a decimal, and is calibrated from 0 to 100.

Additional information

Weight 0.2 kg