whereupon ,
whereat

The matrix is carried along a notched bar between the three screws until the notches on the bar and matrix match whereupon the matrix drops down into its proper channel in the magazine.

I refused to listen to them, whereat they seemed to give way.

He swung his hands toward them, whereat they recognized the lad and went on about their work.

And I related to them all that had befallen me, whereat they marveled with exceeding marvel.

Sam observed the hint; and feeling the delicate manner in which it was conveyed, ordered the pewter vessel to be refilled, whereat the small eyes of the mulberry man glistened.

Conley reported as to the number of sheets that the men had posted, whereat the manager rose, pounded his desk and, in a towering rage, expressed his opinion of the tribe of billposters again.

But three weeks later came another letter, saying that Dan had run away, and nothing had been heard of him, whereat they all looked sober, and Mr. Bhaer said, "Perhaps I ought to have given him another chance."