Instrumentation

584 Archival description results for Instrumentation

68 results directly related Exclude narrower terms
IND-IIA-F213-I22 · Item · 21-02-1916
Part of Correspondence related to Spectroheliograph's roofing during 1907-1923

The letter is from John Evershed, Director, Kodaikanal and Madras Observatories, to Dr. Royd's returning plan and estimate for reroofing the spectroheliograph building. Also saying about the roofing and steps to be done after sanction. He at last says Sitaraman and Krishna will return, & send the 6-inch telescope to Kodai, and his application for an extension till July may be approved but not yet sanctioned.

Evershed, John
IND-IIA-F213-I02 · Item · 07-04-1907
Part of Correspondence related to Spectroheliograph's roofing during 1907-1923

The letter is from John Evershed, Director, Kodaikanal and Madras Observatories, to The Executive Engineer regarding the proposed gearing for the sliding roof, suggesting having a handle inside the room and providing a sketch of rack arrangement, sketch of wire-rope arrangement and sketch plan of the sliding roof with proposals for tieing the pillars with horizontal braces.

Evershed, John
IND-IIA-F189-I08 · Item · 15-12-1911
Part of Correspondence from Poona and other Observatory

This letter was written by Kavasji Dadabhai Naegamvala to the Director of the Kodaikanal Observatory about the transmission of enlarging apparatus and a micrometer microscope under instructions from the Director of Public Instruction, Poona.

Naegamvala, Kavasji Dadabhai

This letter is written to Mr. Field regarding the removal of the revolving dome of the 20-inch telescope and the sending of the instruments and apparatus to Kodaikanal. The letter also asks to send some microscopes to attach to the barometers in Kodaikanal, if there are any spare ones.

Kodaikanal Solar Observatory

The letter is from L. Robertson to Gilbert T. Walker, meteorological reporter to the government of India, informing that there is no objection from Michie Smith to go to Hyderabad, and it further states that as the visit is private purpose, the Nawab has to pay for travelling allowance fee and no other bills.

Walker, Gilbert T.
IND-IIA-F217-I24 · Item · 02-08-1923
Part of Correspondence regarding meteorology during 1898 to 1925

The letter is from Landi Kotal to the Director of Kodaikanal and Madras Observatories regarding a Query related to standard time. A question was asked about the erecting of a helio-chronometer. Attached to the letter is an observation sheet indicating standard times.

Kotal, Landi

The letter is a copy of a letter from M. Brown to the Chief Engineer, Public Works Department, Madras, forwarded to Charles Michie Smith. It says about the sliding roof at the Kodaikanal Observatory.

Brown, M.