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alidade

Overview page. Subjects: Archaeology — Astronomy and Astrophysics.

A simple sighting device for measuring altitudes. It consists of a bar pivoted so as to swing in a vertical plane and be aligned with a celestial object. The object's altitude can then be...

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crown glass

Overview page. Subjects: Archaeology — Astronomy and Astrophysics.

A basic variety of optical glass, containing a high percentage of potassium and calcium. It has a refractive index of about 1.5, and on average has a lower dispersion of light than the...

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Penrose, Francis Cranmer (1817–1903), architect, classical archaeologist, and astronomer

Paul Waterhouse.

in Oxford Dictionary of National Biography

September 2004; p ublished online September 2004 .

Reference Entry. Subjects: Education; Archaeology; Architecture; Astronomy and Astrophysics. 2361 words.

Penrose, Francis Cranmer (1817–1903), architect, classical archaeologist, and astronomer, was born on 29 October 1817 at Bracebridge, near Lincoln, the youngest son of the Revd John Penrose...

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