Instrumentation

584 Archival description results for Instrumentation

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This item is a letter from O. R. Scott Sub-division officer Kodaikanal to the director of Kodaikanal and Madras Observatories forwarding a copy of the report related to some purchases made for the observatory compound.

Kodaikanal Solar Observatory

This letter from Mr.L.M.Jacob, CSI, Secretary to the government of India, Public works department to the secretary to the Government of Madras,Bombay,Bengal, Punjab, Burma,the united provinces of Agra and Oudh, the chief minister of the central provinces, the chief commissioner of coorg and so on. The letter is about electrical installations in government residential buildings.

Jacob, L. M.

This letter is from Michie smith Director of Kodaikanal and Madras Observatories to executive engineer Madura regarding the pay of the assistant and to prepare plans amounting to Rs.750 -1000. It also talks about various other suggestions regarding veranda, bathrooms and other small design modifications.

Smith, Charles Michie
IND-IIA-F217-I12 · Item · 16-03-1915
Part of Correspondence regarding meteorology during 1898 to 1925

The letter is from Adam Hilger Ltd to John Evershed, Director of Solar Physics Observatory Kodaikanal. It replies that the three 60° flint prisms are in stock but unfinished. Also, the two-plane parallel glass and the pair of green glass will be sent together to absorb the violet and ultra-violet rays. It also discusses the lack of immediate possibility for finishing the 6" diameter object glass.

Evershed, John

This letter from Major S.G. Burrard to the Government Astronomer mentioning that Lenox Conyngham is dissatisfied with his Zenith Telescope results and with determinations of the Micrometer value, so he asked for sparing Dehra Zenith sector till next September.

Burrard, Sidney Gerald

The letter is from M. R. Ry. P. V. Chari Avergal, offg. Electrical Engineer to the Government of Madras to the Assistant Director, Kodaikanal Observatory, forwarding an estimate of Rs.340 for extending the pump house and requesting him to countersign it and the estimate of Rs.1075 for a suitable water pump and forward them to the Government for Administrative approval.

Chari Avergal, P. V.
IND-IIA-F209-I11 · Item · 20-01-1922
Part of Correspondence regarding Kodaikanal Observatory Grounds during 1900-1922

The letter is from K. N. Aiya Iyer, Chairman, Municipal Council to the Secretary to the Government of Madras, Local Self Government asking the Ministry to approve the proposal to extend municipal limits so as to include the Director's residence and other buildings belonging to the Observatory stating it was proposed in 1908 and its other pros and cons.

Iyer, K. N.
IND-IIA-F209-I13 · Item · 30-06-1922
Part of Correspondence regarding Kodaikanal Observatory Grounds during 1900-1922

The letter is from M. R. Ry. K. N. Aiya Iyer to the Director, Kodaikanal and Madras Observatories, requesting to allow Public Work Overseer Mr K. Subbiah Pillai to enter the land to survey the Observatory area according to the government order to submit a revised description of the boundaries of the Municipality.

Iyer, K. N.

The letter is from M. R. Ry. A. V. Ramalinga Aiyar, Executive Engineer, Madura Division, to the Director, Kodaikanal Observatory, informing that transverse stiffeners may bend in the middle, and he suggests using horizontal ties and cross braces to stiffen the roof if it wouldn't be hindering instruments. He also said that he would get the transit shed repaired when he goes to Kodaikanal on 27 that month.

Ramalinga Aiyar, A. V.