Detroit Observatory Notebook for New Telescope Testing
This post is by Brian Chu Location of the Original: Bentley Historical Library; Collection: Observatory university of Michigan records 1855-1985; Call Number: 87299 BImu Bimu C455 2; Box 4; Folder: Detroit Observatory, later U-M Observatory, Ann Arbor, Mich. Notes on testing of New Telescope, 1907, R.H. Curtiss Date of creation: 1907, stated in the notebook. This notebook that was used […]
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