Two were built and two earlier machines converted to this standard.

Some machines can convert the density of a liquid to the alcoholic strength from an internal look-up table.

The machine then converts the breath-alcohol reading to an equivalent blood-alcohol reading.

The machine converts pictures of the acoustic patterns of speech in the form of a spectrogram back into sound.

One machine, called a gaschromatagraph, converts a drug to an alternative form - such as a gas - to measure its properties and potency.

It follows from the law that when machines use energy, the machines convert the energy from one kind energy to another.

These life-giving machines convert sludge into organic tissues such as fish, flowers and medicinal plants that have human uses.

Using the light-sensitive element selenium, Korn's machine could convert the various tones of a scanned image into different electric currents.

It does require mechanical power to turn the disks against the electric field, and it is this energy that the machine converts into electric power.

A designer need only draw on a computer screen the letter forms that he likes and the machine will convert them automatically into Bézier curves.