This letter was about to send the Sandell plates to test. The second batch of Sandell plates, received by S. S Campbell and it is perfectly evident that isochromatic plates will not stand the journey here.

This letter was about the prints of the spectrum taken on the plates sent by Imperial Dry Plate Company and its relative sensitiveness.

This letter was about the correction regarding the earlier order saying that please include 10 doz. extra in the order for September and 20 doz. extra in the final order (December).

This letter was about the enclosed list of photographic plates sizes and designations.

This letter was about the plates obtained & made up in sealed tins and the instructions for bringing from the maker.

This letter from Charles Michie Smith to the Meteorological Reporter informing about the microscope which he forwarded to the Director General of Stores

This letter was sent to the Secretary of the government public works department in Madras by Charles Michie Smith, the director of the Madras and Kodaikanal Observatory. The purpose of this letter is to formally request government approval for the plans and estimates associated with the construction of buildings, as initially sanctioned in the letter received from G.J.J. Harris. Director Smith requests formal approval for the suggested architectural and budgetary plans presented by G.J.J. Harris.

This letter was about sending photographs of the observatory and copies of seismograms.

This letter was about receiving the time signal from some intermediate station considered useless.

This letter was about the 30 dozen Thomas lantern plates to be sent out in two installments.