Memory Devices
Memory Devices Ltd., based at Central Avenue, East Molesey, Surrey, was a subsidiary of Analog Devices Inc. of the U.S.A., and was subsequently absorbed into the parent company.
Two calculator models from Memory Devices are known:
Display is 8 digits, green fluorescent in a single tube.
4-functions, %, memory, square root.
4.8v (4 x N rechargeable cells).
Integrated Circuit - Rockwell A1241PA (date coded 7425).
83 x 143 x 21 mm (3.25" x 5.7" x 0.8").
Manufacturer not known.
Display is 8 digits, green fluorescent in a single tube.
Scientific ("Electronic Slide Rule").
4.8v (4 x N rechargeable cells).
Integrated Circuit - Rockwell A4001PC (date coded 7538).
83 x 143 x 21 mm (3.25" x 5.7" x 0.8").
Introduced 1974, price £52-90 (about $122).
Made under sub-contract by ITT Components Group Europe.
Vintage British Calculators
© Text & photographs copyright Nigel Tout 2000-2023 except where noted otherwise.