Crossword-Solution: BCL 3 letters, 4 clues 🏆 scrabble score: 7

Their only plea is the testimony of [Symbol: Aleph]BCL and certain of the Latin copies,--a conjunction of authorities which, when they stand alone, we have already observed to bear invariably false witness.

Boron chloride BCl3 results when amorphous boron is heated in chlorine gas, or more readily, on passing a stream of chlorine over a heated mixture of boron trioxide and charcoal, the volatile product being condensed in a tube surrounded by a freezing mixture.