Addresses on Completion of the Cheltenham Observatory
![](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/list_item/public/media-icons/generic/pdf.png?itok=mF248Vnm)
Cheltenham-Addresses.pdf
(13.08 MB)
Detailed Description
Addresses on the Occasion of the Completion of the One-Third of a Century of Continuous Observations at the Cheltenham Magnetic Observatory, Cheltenham, Maryland, October 10, 1934.
Sources/Usage
Public Domain.