The letter was from Thomas Royds, Assistant Director of Observatory, Kodaikanal to G.C. Simpson, the Imperial Meteorologist, Simla. Through this document, Thomas Royds conveyed a new method for taking the mean wind directions in this letter. The document was written in 1914 from Solar Physics Observatory, Kodaikanal.
Royds, ThomasKodaikanal (India)
1087 Archival description results for Kodaikanal (India)
This letter was from the Director of Kodaikanal & Madras Observatory informing about the erection of new buildings for Poona instruments and outside painting of Observatory Domes, the Spectroheliograph building and the magnetic observatory.
Kodaikanal and Madras ObservatoriesThe item is a circular from the Meteorological Department describing the rules fixing and use of Symon's Raingauge.
India Meteorological DepartmentThis fond contains correspondences related to queries sent to Kodaikanal Observatory.
Kodaikanal Solar ObservatoryThis is a proposal letter from the revenue department of the Government of Madras regarding the adoption of standard time in India. The proposal discusses fixing an Indian Standard Time for all Indian railways and telegraphs. It will be precisely 5.30 hours ahead of Greenwich Mean Time and 9 minutes ahead of Madras Time. Additionally, the proposal suggests fixing a Burma Standard Time for use on all railways and telegraphs in Burma, which will be precisely 6.30 hours ahead of Greenwich Mean Time and 5 minutes ahead of Rangoon time.
Royds, ThomasThe proceeding holds information of the Board of Revenue Settlement, R.NO. 608, on the paper of the letter from C.H. Mounsey to report of the earthquake that was felt at night 3-9 a.m.
Mounsey, C. H.The fonds contain posts and telegraph between the telegraph department and the Director of Kodaikanal Observatory
Kodaikanal Solar ObservatoryThis fond contains items related to John Evershed and about his discoveries.
Evershed, JohnThe album contains archival documents related to John Evershed, a brief biography, photographs, scientific discoveries in astrophysics, drawings, and sketches of observations from the Kodaikanal Solar Physics Observatory. The album starts with a crisp description of the life of John Eveshed. The photographs in the album are based on the following themes: the mechanical workshop and the spectroheliograph, the plaque installed in 1975 in Kodaikanal to commemorate the discovery of the Evershed effect, observatory buildings, and Evershed with the Kodaikanal Observatory staff. In addition, a detailed description related to the Evershed effect is reproduced from bulletin No. XV(1909) of Kodaikanal Observatory, a photo of Halley's comet and a picture of the moon hand-drawn by Evershed, spectra of nova aquilae in 1918, pencil sketches by Evershed on the solar prominences are preserved in this album. Each item is provided with captions.
Indian Institute of AstrophysicsThe album contains photographs related to the professional and personal life of John Evershed, particularly in India, Australia, and England, from 1909 to 1953. The album shows different events such as John Evershed using a spectroheliograph at Kodaikanal, camp life in India, Evershed with his wife at Kashmir, a group photo including Evershed, Thomas Royds, and the Kodaikanal Observatory staff, the visit of Evershed for his research at Srinagar, Kashmir, and Wallal, a photo of Evershed and his signature. At the album's end, the photo of his old age at Highbroom and Heath cottage with his pet dog- Brock, has also been archived.
Indian Institute of Astrophysics