TM 11-850.pdf  Manual for Radio Receivers BC-312, -A, -C, -D, -E, -F, -G, -J, -L, -M, -N, -HX, and NX; BC-342, -A, -C, -D, -F, -J, -L, -M, and -N; BC-312, -C, -D, -E, -F, and -G; BC-344, and -D.  September 1946.

These files are made available with the compliments of August Johnson, KG7BZ.