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Message from the Photographer: I am a little bit busy recently, so I might not post as often. I hope you understand. Let's move on to the photos for today.
Olivetti Programma 101, Olivetti-Underwood, Italy, 1965
This printing programmabe calculator was made from discrete transistors and an acoustic delay-line memory.
40,000 were sold.
Only the center sign was readable:
Marchant "ACRM" calculator, Marchant, US, ca. 1932
A typical "full-sized" technical calculator. The Marchant company was founded in Oakland, California in 1911.
Their cheif designer, Carl Friden, left to start his own company in 1934.
Felix Arithmometer Calculator, National Calculating Machine Factory, USSR, ca. 1932
"Felix" calculators were named for Soviet secret service founder Felix Dzerzhinsky
Abacus, China, ca. 1960
A large suan pan, (Chinese abacus)
Schickard Calculator = Replica, Model by Peter Roubos, Netherlands, ca. 2000
Schickard built two calculators about 1623. One, for his astronomer friend Johannes Kepler, was destroyed by fire. The other, as far we know, lost. We now about them only from Schickard's handwritten letters, which contain sketches of what he had built.
Babbage Difference Engine No. 1. Demonstration Piece.
Three-quarter-scale replica, Replica by Roberto Guatelli, US, 1972
Only a small demonstration assembly of Babbage's first Difference Engine was built. This scale model of that assembly was a gift to retiring IBM CEO. Vincent Learson.
Left sign too blurry.
Right sign reads:
Printing Card Punch, Powers Samas, UK, ca. 1954
Competing pioneer Maurice Wilkes consulted on the design of this printer, which was used to produce the Atlas of the British Flora in 1962.
ENIAC on a Chip, University of Pennsylvania, US, 1995
In celebration of ENIAC's 50th Anniversary, the machine was reimplemented (guessing on this word)... (cut off)
The Atanasoff-Berry Computer made by mathematician and physicist John Atanasoff. Can't really read the other stuff on the sign.
IBM Fortran Coding forms.
No clue what this is.
A machine gun scope. Other stuff on the sign is too blurry.
Bosch ABS-2 Controller, Robert Bosch GmbH, Germany, 1978
The computerized ABS controller is only part of the anti-lock (I am guessing the rest) brake system. (cut off)
These are all the photos for today. I hope you have enjoyed them. The rest of the photos will be coming out soon. Please don't forget to share with your friends and family members! Also, if you want to get notifications when I post up more photos, "Like" us on Facebook or follow me on Twitter and Google+. These links can also be found on the top of the right sidebar.
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