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IND-IIA-F213-I18 · Unidad documental simple · 16-02-1915
Parte de Correspondence related to Spectroheliograph's roofing during 1907-1923

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.

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