Covers the prototype version of the series from the 1950s.

A prototype version is available as a web game.

This helmet however was a prototype version, mentioned by the Professor to be extremely dangerous.

In the July 2011 issue of the same magazine, the prototype version from the manga was published.

It has tremendous power compared to the prototype version.

A prototype version of the Qaher-313 was portrayed to have test-flown at some point before the presentation.

The ski area built a prototype version of the course last year and improved it this year.

He saw the global potential of this service having developed a prototype version of the software for his own rescue team.

Starting in 1986, the team published a number of papers describing the basis of the system, and by 1988 had a prototype version.

There are rumored to be two prototype versions in existence, each with slightly different front panel controls.