Solar instruments

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          Solar instruments

            2 Archival description results for Solar instruments

            Letter from John Evershed to the Astronomer Royal of Royal Observatory, Greenwich regarding the photoheliograph received
            IND-IIA-F001-I17 · Item · 22-07-1917
            Part of Official and personal files of John Evershed with other Directors, famous astronomers and global institutes

            The letter was an enquiry with reference to the Photoheliograph which was received on loan from Greenwich Observatory, whether to return it or it may be completely dismantled and the parts used for other purposes in our research work.

             Evershed, John