It was the only Mercury to be in continuous production throughout the 1960s.
At a basic price of $267.50 it quickly became a best-seller, and has been in continuous production since 1958.
It is one of the few designs from that era to remain in continuous production.
Methods had changed after a half decade of continuous production.
The mine was in continuous production from the 15th century until 1908.
But those findings reflected continuous production of the virus in the body.
The play remained in continuous production well into the 20th century when at least two movie versions were made.
The collection has been in continuous production since its introduction.
The type has been in continuous production for nineteen years.
The lamps have been in continuous production for nearly 50 years.