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Title: pocket calculator [Go to resource]
Description: A "Rockwell" pocket "Electronic Calculator, 21R" with memory. Plastic casing and rechargeable battery pack but missing the charger. With manual in case. License: http://www.abdn.ac.uk/historic/Copyright_terms_conditions.shtml Publisher: ABDNP University of Aberdeen, Natural Philosophy Collection of Historical Scientific Instruments Rights holder: 47718 Temporal: 1974-1974 Source: University of Aberdeen Creator: Rockwell International, Microelectronic Product Division Identifier: http://calms.abdn.ac.uk/Geology/dserve.e... Go to resource More Like this...
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