IND-IIA-F001-I17
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Item
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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