Instrumentation

584 Archival description results for Instrumentation

68 results directly related Exclude narrower terms
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 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

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 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
IND-IIA-F213-I30 · Item · 12-07-1917
Part of Correspondence related to Spectroheliograph's roofing during 1907-1923

The letter is from P. Hawkins, Superintending Engineer, VI Circle, Trichinopoly, to The Director, Kodaikanal & Madras Observatories, informing that he has directed the Executive Engineer Madura Division to put the work in hand at once and complete it at a very early date. The second one states that the delay is due to difficulty in acquiring the materials and their transportation.

Hawkins, P.
IND-IIA-F217-I21 · Item · 07-07-1920
Part of Correspondence regarding meteorology during 1898 to 1925

The letter is from P. N. Dutt, Registrar of the University of Panjab, to the Director of Observatories Kodaikanal, enquiring about the home address of John Evershed. This is to communicate that the astronomical instrument installed at the Lahore Observatory is arriving late. It also requests to consider making arrangements for the visit till further information about the instruments is available.

Evershed, John
IND-IIA-F213-I37 · Item · 29-11-1922
Part of Correspondence related to Spectroheliograph's roofing during 1907-1923

The letter is from P. W. Secretariat, Chepauk, Madras, to The Director- General of Observatories informing that the Government is already taking steps to meet the extra demand of Rs. 2500 by reappropriation, and the result of the same will be intimated in due course.

Public Works Department

The letter was informing about Dr.Walker has written to the Minister of Finance asking about some spare lenses that they have with a view in borrowing them for use in Kasmir. It informs Evershed the type of lens that could be borrowed till the time.

Evershed, John
IND-IIA-F206-I01 · Item · 1917
Part of Correspondence related to Nizamiah Observatory during 1917-1923

This letter is from R. J. Pocock, Esq., Nizamiah Observatory, Hyderabad Deccan, to the address of Dr G. T. Walker, Director-General of Observatories, Simla, regarding the loan of one or two Chronometers From any of the Indian Observatories That have any to spare.

Pocock, R. J.
IND-IIA-F205-I05 · Item · 23-02-1902
Part of Correspondance related to Magnetic Observatory during 1898-1923

This letter is from R.E.V. Arbuthnot to the secretary to the Government of Madras, Public Works Department, regarding the erection of a building to house the photo spectroheliograph which was being procured from England for the use of the Kodaikanal Solar Physics Observatory.

Arbuthnot, R. E. V.