old10b.jpg

Looking NE, 4 June 1964 Old transit circle (8.5 inch) house is at extreme left. It was added on in 1868. The south wing (at the right) contained: 1. Passage Way to Main Building 2. Prime vertical and store room 3. Professor's office 4. 26-inch refractor 3 and 4 were added in 1873
USNO Master Clock Time
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