The rope was tossed over a main beam.

A rope had been thrown over a low beam in the room and tied to the top of the Bookman's cage.

From the Earth it went over a directional beam to a station 2,000 light-years away.

She had an elbow hooked over a beam and, using that for leverage, pulled farther up.

In addition, he took a surprise tumble over a heavy beam that crossed the hold.

"This must have been quite a place in its time," Brion said, climbing over a fallen beam and picking his way across the rubble.

Kennedy and the spacecraft talk to each other over a beam of coherent light.

This rope is tied around my waist and looped over a beam.

The photophone transmitted the voice over a beam of light.

After a bill is selected from a supply hopper, it passes over a beam of infrared light.