Magnetic observation

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            Magnetic observation

              1 Archival description results for Magnetic observation

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              IND-IIA-F191-I21 · Item · 02-04-1919
              Part of Correspondence related to John Evershed and some of Kashmir Observation

              This letter was sent to the officer in charge of Survey of India, Dehradun, from John Evershed, stating that the suspension needed to be more satisfactory in the declination magnetograph. He also requested arrangements to supply two spare mirrors for the galvanometer and half dozen flexible axes for rotating the earth inductor coil, which would be paid from the contingent account.

              Evershed, John