IND-IIA-F013-I23
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Item
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29-03-1954
Part of Official and personal files of M. K. Vainu Bappu
This letter was to inform on M. K. Vainu Bappu's research on Sun. It also mentioned finding a location for the Solar Physics Observatory and also asking Bappu for the present address of Zeiss and of Cox, Hargreaves and Thomson.
Vainu Bappu, M. K.