The usual interval between eruptions is 6 to 9 hours.

After attaching these as described below, reposition the string further down as needed; the usual interval is three brick rows.

After fourteen paces-ten meters, the usual interval for the first set of supporting joists-he grew puzzled.

Almost directly afterwards, without the usual interval of time, a cab arrived, and the veiled lady ran hastily up-stairs.

He didn't have the usual intervals of quiet, when he could sit and think about patterns, and the way the opponents were working.

Although the usual interval of time had not elapsed since we had received their daily signal, ours was immediately answered.

The fever pursued the ordinary course, and was characterized by the usual intervals of delirium and exhaustion succeeding each other.

After attaching them, reposition the string farther down - the usual interval is three rows.

"There must have been the usual and ordinary intervals in between?"

The Federal Reserve's March survey was taken just six weeks after the previous survey, half the usual interval.