Instrumentation

584 Archival description results for Instrumentation

68 results directly related Exclude narrower terms
IND-IIA-F210-I16 · Item · 15-12-1908
Part of Correspondences related to Signaling Time from the year 1904 to 1923

This letter is from the Deputy Director of the Madras Observatory to the Director General of Telegraphs regarding the daily signalling of the time needs correction and to indicate for all telegraphists to signal at the time as sixteen and for all the officers to note the exact time and adjust their clocks accordingly.

Madras Observatory

This letter is from the Assistant Superintendent to the Deputy Director informing us that the instruments in the Marine office are still serviceable, but from some tests made, several coils appear to be short circuited. For this one new instrument is required and the cost for that is also enclosed with this letter.

Kodaikanal Solar Observatory

This is a letter from Assistant Director to T. Royds, executive engineer Madura Division regarding some repairs to the directors quarters. These repairs included repair of leak in drawing room,spare bedroom and skylight in corridor,rearrangement of displaced tiles and replacement of broken ones, replacement of broken chimney pots and repairs and renewals of guttering.

Royds, Thomas
IND-IIA-F210-I14 · Item · 04-05-1909
Part of Correspondences related to Signaling Time from the year 1904 to 1923

This letter is from T. D. Berrington, Director General of Telegraphs, to the Director of Kodaikanal and Madras Observatories, Kodaikanal, regarding the inconvenience for the Alipore Observatory operating without regular time signals at 16 hours on Sunday and not object to discontinuing the service elsewhere.

Smith, Charles Michie
IND-IIA-F217-I06 · Item · 28-10-1914
Part of Correspondence regarding meteorology during 1898 to 1925

The letter is from T. Cooke and Sons Ltd to John Evershed regarding a photo-visual lens. The photo-visual objective must not be correctly connected for spherical aberration. If the lens is returned and the abovementioned issue is there, they will fix it and pay for the carriage both ways.

Evershed, John