The machine proved a success and received very good reviews and publicity.

The machine proved much too cumbersome and was abandoned.

The machine had served its purpose and had proved that we could build something quickly that would fly well.

"These little machines prove that design really does have an impact on the world."

The calculating machines they had brought would certainly prove worth tjieir taass in this one use.

These machines can prove very effective when advanced controls are utilized.

This machine proved extremely popular and soon many bars in the city had one or more of the machines.

These machines proved too slow, so the Bureau undertook to develop its own machine for the 1910 census.

The machine that whizzed past the fork proved to be a police car.

The approaching machine proved to be a truck loaded with troops.