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The letter is to the Director General of Observatories regarding some new grating to make it the same as another letter.

The letter is from the Director of Kodaikanal & Madras Observatories to The Director General of observatories, Simla, forwarding the plan and estimate of Rs. 175/- for erecting a verandah in front of the spectroheliograph and requesting the sanction.

Letter to the Director-General of Observatories regarding the specification of a new Micrometer for the Madras Transit Instrument