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350 - Hewlett Packard 21, 1975
Date: 02/25/2018
Views: 1259
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1495 - The Small Electronic Calculator. Scientific American (1), 1976
Date: 04/14/2021
Views: 402
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1495 - The Small Electronic Calculator. Scientific American (2), 1976
Date: 04/14/2021
Views: 378
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1495 - The Small Electronic Calculator. Scientific American (3), 1976
Date: 04/14/2021
Views: 355
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1495 - The Small Electronic Calculator. Scientific American (4), 1976
Date: 04/14/2021
Views: 350
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1687 - Burroughs C-7400. Calculadora programable con grabación de tarjetas magnéticas y registro papel (1), 1976
Date: 05/13/2026
Views: 23
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1687 - Burroughs C-7400. Detalle de teclado (2), 1976
Date: 05/13/2026
Views: 20
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1687 - Burroughs C-7400. Anverso y reverso de una tarjeta magnética de programa (3), 1976
Date: 05/13/2026
Views: 20
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1687 - Burroughs C-7400. Lectura y grabación de tarjetas magnéticas (4), 1976
Date: 05/13/2026
Views: 21
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1687 - Burroughs C-7400. Tarjetas, programa y resultado impreso (5), 1976
Date: 05/13/2026
Views: 18
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1687 - Burroughs C-7400. Detalle interior (6), 1976
Date: 05/13/2026
Views: 20
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1687 - Burroughs C-7400. Operator and Reference Manual (7), 1976
Date: 05/13/2026
Views: 15
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912 - HP-9815. Hewlett Packard, 1976
Date: 06/24/2018
Views: 1220
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1251 - Calculadora solar Texas Instruments TI-1755 SLR (1), 1983
Date: 08/14/2019
Views: 522
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1251 - Calculadora solar Texas Instruments TI-1755 SLR (2), 1983
Date: 08/14/2019
Views: 430
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526 - Sharp solar con ábaco Sorobon, 1985
Date: 02/25/2018
Views: 523
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