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This Memorandum no. 1639 is to the Government Astronomer requesting the information about official memorandum no 1610 dated 22nd July 1898 as early as possible.

This Memorandum no. 1619 is for Chief Secretary regarding the letter No. 123 dated 29 June 1898 where what kind of instruments are needed, cost of such instrument etc was asked

This letter to the Director with reference to annual indent for stores from England for 1905-06 with the favour of an expression of his opinion regarding the cost of the lathe asked for the Director-General of Stores in para 3

This Letter to the Director from Honorary Secretary for forwarding undermentioned volume of the International Scientific Catalogue and requested for a favour of an acknowledgement

This letter was sent to the Director forwarding the undermentioned volume of the International Scientific Catalogue and to request the favour of an acknowledgement

This letter was sent to the Deputy Director of Madras Observatory stating that he has no objections to the Director's proposal to renew the telegraph instrument at the Marine Office. And the budget contains the sum of only Rs 50 for the purchase and repairing the instruments.

This is a letter to the Chief Secretary to the soul of Madras to bring a notice about construction of astronomical telescopes entirely by indigenous labour

Letter to Shackleton to reorder a meniscus lens

This letter to Charles Michie Smith was reporting a correction about some scientific measurements in the proof of the Report of the Board of Scientific Advice.

This letter is from William Butler enclosing a copy of a letter from Cambridge Instrument Company relative to the photoelectron-heliograph undersupply for Kodaikanal Observatory and the supply of a slit-making machine.