Triumph-Adler 81, EC 11

Serial Number	202412 (shift back open and look at side), made in England
Accessories	Pouch, quite worn
	220V AC power supply
Condition	Average. The "TRIUMPH 81" label can hardly be read. Aluminum casing heavily worn on the backside
Acquired	30.8.2002

Serial Number	214716 (shift back open and look at left side), made in England
Accessories	Very sturdy leather pouch
	220V AC power supply
	Quick reference card, plastic
Condition	Absolutely excellent! However, the unit does not work with the power supply, only with batteries. This may be caused by one of the three contacts at the top edge of the unit which broke off.
Acquired	31.1.2004

Type, Precision, Input Mode	Simple, 8 digits, no exponent, Algebraic
Programmable	No
Memory	1 summation register, not permanent
Display	9 digit 7 segment green LED, one digit for sign/error display
Special features	Cryptic behaviour!!
Original Pricing, Production	1973 or 1974, approx. 100 Euro, England, Triumph-Adler Nürnberg, Germany
Batteries	3x AA
Dimensions	Length 11.9cm, Width 6.9cm, Height 2.5cm
Comment	Very old, very simple, strange behaviour of the + and - keys. Cool design! It was made by Sumlock Anita and sold in the UK as the Anita 811. Also, there was an Anita 810. Information and pictures courtesy of Simon Southwell. See his Java emulator of the Anita 810/811.