Specifications for Anita C/VIII
Manufacturer: Sumlock Comptometer LTD/Bell Punch LTD Model Number: Anita C/VIII (Mark 8) Serial Number: 003108 Date of Manufacture: 1963 Manufactured In: London, England Original Price: Approx. $2700 Weight: Approx. 28 Pounds Size: 15" Wide, 16" Deep, 9 1/2" High Power Requirement: European Power, 220VAC, 50Hz Display Technology: Nixie Tube Logic Technology: 177 Gas-Filled Thyratron Tubes (decade Ring-Counters) 1 Dekatron Counter Tube (GS-10D) (Keyboard Scan) 11 Vacuum Tubes (12AT7/ECC81) Hundreds of Selenium Rectifiers (Logic Gating) Digits of Capacity: 12, No zero suppression Decimal Modes: Fixed, semi-automatic Arithmetic Logic: Arithmetic Math Functions: Four Function Constant: No Memories: None Notes: The C/VIII is generally regarded as the first commercially-available mass-market all-electronic four-function calculator.
Previous Machine: Curta Type II Next Machine: Friden 130 Documentation: Cover of Operator's Manual [35K]
Web References: Nixie Indicators and Decimal Counting Tubes [by Tom Jennings] Display and Counting Tubes [by Mike Harrison] YouTube Video of Anita C/VII in Operation
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