He was watching the men as they swarmed about and over the steel sphere.

There was a platform on which the steel sphere would have been mounted for car-rying away.

I considered the simple steel sphere before me.

We both looked at the steel sphere, but apparently it was still considering.

Notice that the buoyant force is only a little more than half the weight of the steel sphere.

The cables crawled past the them, then a large steel sphere came into view.

Its crew compartment is a steel sphere with an inside diameter of six feet.

The wooden table and steel sphere were gone, erased from the pad.

Wracked by deep anxiety, I left the control room of the steel sphere.

It is placed within a stainless steel sphere and shielded by a water tank.