Telescope

Zone des éléments

Référentiel

Code

Note(s) sur la portée et contenu

    Note(s) sur la source

      Note(s) d'affichage

        Termes hiérarchiques

        Telescope

        Terme générique Instrumentation

        Telescope

        Termes équivalents

        Telescope

          Termes associés

          Telescope

            16 Description archivistique résultats pour Telescope

            The letter is from Gilbert T. Walker, meteorological reporter to the government of India, to J. Wilson, Secretary to the Government of India, regarding an invitation to visit the residency at Hyderabad to pronounce the merits of the new telescope. It also asks, due to lack of time, if it will be possible for Michie Smith to check the telescopes.

            Sans titre

            The letter is to Charles Michie Smith from the Nawab informing that all the arrangements will be made possible for his reception and to let them know a few days in advance of his arrival at Hyderabad.

            Sans titre

            The letter is from the Director of Kodaikanal and Madras Observatories stating a report on the Nawab Zafar Jung Bahadur's telescopes. It states the conditions pertaining to the telescopes and how their location has affected the tests.

            Sans titre
            IND-IIA-F206-I04 · Pièce · 04-11-1921
            Fait partie de Correspondence related to Nizamiah Observatory during 1917-1923

            This letter was sent to John Evershed regarding the estimates for regrinding and figuring the concave back surface of the 12-inch Hyderabad lens to Mr Hydari, Hyderabad (Deccan). The cost bill should be sent directly to the Director, Nizamiah Observatory, Hyderabad, for payment.

            Sans titre
            IND-IIA-F206-I05 · Pièce · 24-07-1922
            Fait partie de Correspondence related to Nizamiah Observatory during 1917-1923

            This letter is from John Evershed to Mr Bhaskaran about the instructions to pack the 15-inch lens in a large case. He also mentioned that he had put castor oil between the component lenses to keep them perfectly adjusted and saved about 8 percent of light otherwise lost by reflection.

            Sans titre