Letter from A.R.C. Selwyn to B.J. Harrington.
Letter from A.R.C. Selwyn to B.J. Harrington.
Letter from A.R.C. Selwyn to B.J. Harrington.
Letter from A.R.C. Selwyn to B.J. Harrington, written from Paris.
Letter from "Army" to "Burney" (B.J. Harrington), written from Montreal.
Letter from Arthur R. Harding to B.J. Harrington, written from London.
Letter from A.S. Bickmore to B.J. Harrington.
Letter from B.C. Maclean to B.J. Harrington.
Letter from Becker & Sons to B.J. Harrington, written from New York. Letter regarding order of analytical balance and weights.
Letter from Benjamin Sulte to B.J. Harrington, written from Ottawa, regarding meeting of the Soci�t� Royale.