Other men came running across the slope - each carrying two heavy ballast bags with him.

The ballast bags were also made of aircloth, and filled with sand.

He put the device aside and began gathering up the empty ballast bags.

Purple began emptying the last of the ballast bags - all except two which we would save for drinking water.

Immediately they began filling the ballast bags, and the interior of the boat as well, with a low level of water.

He grabbed the ballast bags as each one was brought up, and directed their distribution about the craft.

While he worked the rest of us began to fill the ballast bags.

He ran frantically about the boat, but we only had two ballast bags.

Tom is giving battle to the flames with sand from the ballast bags of the dirigible!

He could see similar ballast bags tied to the belt of the man who had just alighted on the roof.