SPRM01 Spherometer

Regular price $10.00
Regular price Sale $14.65 Sale price $10.00

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A fine instrument for determining the radius of curvature of spherical surfaces such as mirrors and lenses.  Its micrometer screw is graduated to measure displacement as small as 0.01mm.  The instrument has two brass plates and three steel legs.  A flat glass plate is provided for support while taking precision readings.