The present design of the track dates back to 1990.
The basic designs for both kinds of engines actually date back to the 19th century.
Again, though, this design dated from 1931 and was obsolescent.
The design dates back 1,000 years and can be seen on ancient Inca pottery.
These are two chest tombs of unusual design dating from the mid to late 18th century.
It was constructed between 1759 and 1763, but the altar is a Neoclassic design dating from the 19th century.
The design dates back to at least 1833.
The design dated right back to the Second World War.
With an essential design dating from the late 19th century, they are familiar to generations of New York voters.
Some designs dating to the 1950s use combustion of natural gas or candles to produce a plasma through which current is then passed.