Another very early type of surgery used to treat cancer was written about in the 1020s.

It is otherwise identical in operation to the earlier type.

These notes functioned as an early type of paper money.

By 1990 all these early types of missiles had been retired from service.

Like in earlier types the seats were located along the sides of the train.

These are the earliest type of breathing set flow control.

After the war there were four more new designs, mostly improvements of earlier types.

This was the earliest type of beacon ever built - by Earth, no less.

Although made into the 1860's they reflect an earlier type.

Much of the iron in a star will have come from earlier type 1a supernovae.