Memory Devices Calculators




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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 808MD MEMORY ESR-817

			Memory Devices MEMORY 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.




	Memory Devices MEMORY 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.

British calculators


		*Vintage Calculators*

	© Text & photographs copyright Nigel Tout 2000-2010 except where noted otherwise.