Collection search - Quebec. Plan and section of the laboratory St. John's bastion shewing the chimney proposed to be put in the end wall to accompany O.A.E. 1850-51 item 22. A. Beatty Capt. R.E. for Lt. Col. Ord, Com. Roy. Eng. C.E. absent on duty. Edward de Moleyns, Lieut. R. Engrs 15th Sepr 1849. [architectural drawing]

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