IBM dedicates Harvard Mark I, August 7, 1944 - EDN
IEEE - The IBM 608 Transistor Calculator was the first to use solid-state transistor circuits rather than vacuum tubes, with 3,000 germanium transistors. | Facebook
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IBM Archives: Card-Programmed Electronic Calculator (CPC)
IBM's Card programmed Computer/calculator (CPC). Type 941 Storage Unit, Type 412-418 Accounting Machine, Type 605 Electronic Calculator, Type 527 High-Speed Punch | 102646588 | Computer History Museum
The IBM 650 Magnetic Drum Calculator | Semantic Scholar
IBM Archives: IBM 608 calculator
The IBM Electronic Calculator | Ibm, Electronic business, Computer history
Mildly Interesting] IBM Model w/ Tactical Calculator Attachment - eBay
Vintage IBM IP-560 Electronic Desk Business Calculator | eBay
IBM Card-Programmed Electronic Calculator | IT History Society
IBM100 - IBM 603
Calculator IBM P4 2.8Ghz,1GB,160GB,DVD + Monitor LCD 17" Inch + Mouse,Tastatura
IBM 3.5 inch Floppy Disk Solar Powered Calculator - UK Technology & Project Management Blog
Smart technology: How the humble pocket calculator morphed into the smartphone
IBM 608 Calculator on Behance
File:IBM Automatic Sequence Controlled Calculator Sequence Indicators.jpg - Wikimedia Commons
IBM Automatic Sequence Controller Calculator (ASCC) | 102656996 | Computer History Museum
IBM Announces the 608 Calculator, the First Solid State Computer : History of Information
Oct. 7, 1954: IBM Gets Transistorized | WIRED
IBM 604 - Wikipedia
Side profile of a technician working on a computer IBM Naval Ordnance Research Calculator IBM Watson Laboratory Columbia University New York City New York State USA 1954 Poster Print - Item # VARSAL25515461 - Posterazzi
The IBM 608 Calculator
The IBM 609 Calculator
IBM Calculators
