We asked you to send in your retro technology pictures - and you delivered. Marcel Wierckx has an Apple Mac Classic as a doorstop. What would Steve Jobs say?
Stephen Marshall has an Alpina handheld mechanical calculator which dates from around 1961. He said: "It still works perfectly and is surprisingly easy to use."
Rick Collier sent in a photo of an ancient Ferrograph F307 amplifier from the 1960/70s. The sound card on his PC and a digital radio provide the audio.
Chris Dodkin has a classic arcade machine, Defender, in his study. It dates back to 1980.
Rick also has a few more classic machines in his collection...
Murray Futardo is a serious collector. He has a huge collection of handheld consoles. "I love them for their old school graphics and funky case designs," he said.
Paul Shuttleworth has an Epson HX-20, considered the world's first laptop. Made in 1981 it had 16K of RAM.
Andrew Scott says his Sinclair Spectrum is "very dear" to him. He is finishing his PhD in computing and says the Spectrum "changed my life" as it taught him programming as a child.
Dylan Smith is also a Spectrum fan. To celebrate the computer's 25th anniversary this year he built a Diagnostics board to help fix old Spectrums.