The letter is from Thomas Royds to Messrs Grindlay & Co regarding a bill of exchange. It states that a bill of exchange for the estimated cost of periodicals 1921 is enclosed with the letter. It also requests for a stamped copy of the receipt of the amount and statement of accounts in duplicate by return mail.

This letter was sent to the Director mentioning a bill for Rs. 350 for the purchase of book(72 volumes of philosophical magazine) .

This letter was sent to the Director of the Solar Physics Observatory
acknowledging with thanks the receipt of one case containing the 15-inch Grubb O.G., Which was lent to the Nizamiah observatory some time ago, and the lens had arrived in good condition .

This letter to the Director to acknowledge the receipt despatch of the daily barograph by L. Casella

This letter was sent to the executive engineer from Michie Smith to acknowledge with thanks the receipt of the plans and estimates for the photographic assistant quarters

This letter wa sent to the Officer-in-charge, No. 18 party from T. Royds acknowledging the receipt by post of one flexible axis, two burners, and three chimneys