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Memory Devices

We have no information about Memory Devices Ltd. based at Central Avenue, East Molesey, Surrey in this period, but at one time it appears to be linkedc with Analog Devices Inc. of the U.S.A.
If you have more information then please get in touch with us.

Two calculator models from Memory Devices are known:

Memory Devices MEMORY 808MD

Memory Devices 808MD

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.

Inside

Memory Devices MEMORY ESR-817

Memory Devices ESR-817

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.

Inside Memory Devices ESR-817

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