This letter is from John Evershed to the Director General of Stores regarding the photo micrometer, referred to as his private property. Still, it would be mainly employed in research at the Kodaikanal Observatory.
Evershed, JohnAstrophysics
1069 Archival description results for Astrophysics
This letter is from John Evershed to the Director of Telegraph Engineering, Western Circle, Bombay, enclosing with copies of our horizontal force magnetograms.
Evershed, JohnThis letter is from John Evershed to the Director of Telegraph Engineering, Western Circle, Bombay, regretting an error in magnetograph traces.
Evershed, JohnThe letter is about informing the director of the Geological Survey of India about sending of seismographic records taken at Madras Observatory on 23rd May, 1912
Evershed, JohnThe letter is from John Evershed to the Director-General of Observatories, Simla, enclosing the specifications for the mirror for the new spectroheliograph. It states that the H.Grubb, Cooke and Hilger quote £15 for a mirror of its size.
Evershed, JohnThe letter is from John Evershed to the Director-General of Observatories, Simla, requesting the Government to sanction the estimate of Rs.1075 for a new pump and Rs. 340 for the alteration of the current pump house. He also stated that as the current pump is not working, the observatory building depends on rainwater, and during dry weather, it has to be carted from a distance; hence, at his request, the estimates were provided by the electrical engineer.
Evershed, JohnThis letter from J. Evershed to the Director-General of Stores regarding the 30-degree prism ordered for Kodaikanal M6145 Hilger, which should not be sent out for trial as judged by Mr Shackleton, the prism does not meet the requirements of the specification and should be rejected.
Evershed, JohnThe letter is from John Evershed, the Director of Kodaikanal and Madras Observatories, to the Executive Engineer Madura requesting for arranging for the painting of the front porch and woodwork of the office building and spectroheliograph building with chocolate paint before the dry weather ends.
Evershed, JohnThis is a letter from the director of Kodaikanal and Madras Observatories to the executive engineer madura special division. It states that a small shed is required at a distance of about 600 feet from the engine house for protecting the pump that supplies water to the generating plant and the observatory.
Kodaikanal and Madras ObservatoriesThe letter is from John Evershed to the Officer in Charge Dehradun, informing them of an issue with the earth inductor. It also states that repairing it at the Calcutta mathematical instrument office is better.
Evershed, John