A submission to this weeks photo challenge : Relic In this world of modern technology it’s amazing to think how far we have come in 70 years, especially in the last 25 years. Near to where I currently live is Bletchley Park, the secretive home to the world’s first electronically programmable computer ‘Colossus’. This device enabled the British to unscramble the German secret messages and helped for shorten World War Two. The pictures below are of a re-construction of this pioneering machine now a relic of a bygone era.
There is a museum there which is full of computer relics from the recent past.
Various machines of the 1980s
Commodore PET and Apple II
Dragon 32
HP85 Computer
DEC
ZX81
Early Laptop TOSHIBA
ZX Spectrum
DEC
Commodore PET
Early Laptop EPSON
Laser Disc – about 5x physical size of a DVD
Acorn RISC Micro
Hard Disc – about 1m diameter
Apple – Lisa
Acorn RISC Micro
A bank of computers
WITCH Computer -Worlds oldest working computer
Xerox
Tanza-Longs 
LOL! My career was in the computer business. I know all of these. The first computer here was at the university of PA and it took a crane to get it into the building, where it took up an entire room (it was a Univac computer). The computing power, viewed as a marvel in those days, was slightly less than that of a decent handheld calculator today!
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It is truly amazing how much technology has advanced in a relatively short period of time.
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