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Comparison of Latitude Observations at Sayre Observatory, South Bethlehem, and at Flower Observatory, Philadelphia, from September 30, 1904, to September 3, 1906

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By: Ogburn, John H

Type: Article

In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge

Volume: 46

Issue: 185

Date: 1907

Page Range: 165--170

Publication Info: Philadelphia, American Philosophical Society,