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

The letter is from the Deputy Director of the Madras Observatory to the Director of Kodaikanal and Madras Observatories regarding Madras meridian circle observations. It informs that the volumes of the mentioned observations have been forwarded to the Director of Laws Observatory, Missouri.

Smith, Charles Michie

This letter is from Deputy Director Madras Observatory to the Director Kodaikanal and Madras Observatories submitting papers related to the bench mark erected by the survey of India in the compound of the observatory.

Kodaikanal and Madras Observatories
IND-IIA-F189-I12 · Item · 17-01-1912
Part of Correspondence from Poona and other Observatory

In this letter, the Deputy Traffic Manager mentioned that Thomas Royds can send the telescope by wagon by unbroken gauge route if he wishes, with proper packing. And also asked to advice the District Traffic Superintendent to make necessary arrangements to send the wagon through over the South Indian railway.

Royds, Thomas

The letter is from the Director General of Observatories to the Director of Kodaikanal and Madras Observatories regarding the test observation that is not satisfactory, hence asking the director to spend more time verifying the instruments.

Walker, Gilbert T.

This Letter is from the Director General of Stores to Roberts S. Whipple for reassembling for a final optical and photographic test before being packed for transit. The slits required for these instruments have the form of circular arcs, and to make a set of sufficiently high quality, which is necessary to devise and make a particular machine, a photograph of which would be enclosed.

Whipple, Roberts S.

This letter is from the Director general of Stores to the Meteorological reporter about the object glass has been repaired by Cambridge Scientific Instrument Co. And returned per S. S "Rewa" which sailed on 11th June 1904

Kodaikanal Solar Observatory