Ajax
Ajax
Ajax was a trade name for the calculators marketed by Acme Electric (Finsbury) Ltd.
There is little information available about this company though some calculators were manufactured by Advanced Telecommunications Equipment (ATE) of Woking, Engand, which was linked with Radofin, whereas the 2500 (below) was made in Hong Kong.
Known models:
Ajax
Power source - PP3 replaceable battery.
Display is 8 digits, red LED.
4-functions, %.
66 x 126 x 22 mm (2.6" x 5.0" x 0.9").
Country of manufacture unknown.
Ajax 99
Power source - PP3 replaceable battery.
Display is 8 digits, red LED.
4-functions, %, memory.
68 x 132 x 23 mm (2.7" x 5.2" x 0.9").
Made in Hong Kong.
Model number on the carton, not on the calculator.
Ajax 2500
Power source - 4 AA replaceable batteries.
Display is 8 digits, red LED.
4-functions, %, memory.
78 x 139 x 37 mm. (3.1" x 5.5" x 1.5").
Made in Hong Kong.
Made exclusively for Acme Electric (Finsbury) Ltd.
Cost £9.85.
Litronix 1100
Power source - 3 AA replaceable batteries.
Display is 8 digits, red LED.
4-functions, fixed decimal point switchable to 2 and 4 decimal places.
74 x 150 x 20 mm. (2.9" x 5.9" x 0.8").
The label on the back says:
"A PRODUCT OF AMERICAN SPACE AGE TECHNOLOGY. ASSEMBLED IN MALAYSIA FOR :
ACME ELECTRIC CO. LTD., LONDON"
This is a Litronix calculator marked for distribution by Ajax.
British calculators
Vintage Calculators
© Text & photographs copyright Nigel Tout 2000-2019 except where noted otherwise.