It is the only example known of its kind in Mexico.

One example of the type was known to have been lost in an accident during 2011.

Uranium-235 and plutonium-239 are well known examples for which this is the case.

A single example is known on cover dated 1 May 1840.

Only eight examples of the car are known to still exist.

No example of a 1905 V-8 car or engine is known to survive.

Only one example was known to have been under construction by 1977, in Australia.

Nine examples were known to be flying as of mid-1987.

An example, already known to you from examples 2.7.2 is given in the following exercises.

At present (August 2007) ten working examples are known of.