The machmeter taken from the Concorde that broke the trans-Atlantic flight record is coming to auction in the UK on May 6.
In 1996 the British Airways Concorde G-Boad (210) flew from New York to London in just two hours, 52 minutes and 59 seconds.
The machmeter shows a recording of 202, which denotes twice the speed of sound.
According to the Daily Mail it has a pre-sale estimate of £7,000 although a machmeter from another Concorde achieved £25,000 in 2007.
The piece has been put up for auction by the family of former British Airways Concorde engineer Peter Gravestock, who received it as a gift for long service from the carrier.
 The popularity of Concorde memorabilia shows no sign of slowing |
Simon Jones, from Somerset auction house Lawrences, commented: "This is a wonderful piece of Concorde memorabilia.
"Very few machmeters appear in auction. We expect a huge amount of interest on the day."
Concorde memorabilia is hugely popular with aviation collectors and investors.
In a Toulouse auction in 2007, a set of landing gear sold for £22,000 while a nose cone from the aircraft made more than £250,000 in 2004.
The Concorde was one of seven in British Airways' fleet before they were retired in 2003.
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