1636 - Atwater Kent F. Detalle de electroimánes, imán permanente y lengüeta metálica de la unidad reproducción (2), 1924
Date: 12/11/2022
Views: 216
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1638 - RCA Radiola Model 100. Altoparlante o altavoz electromagnético de cono de papel (1), 1925
Date: 01/08/2023
Views: 259
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1638 - RCA Radiola Model 100. Detalle frontal del cono de papel (2), 1925
Date: 01/08/2023
Views: 198
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1638 - RCA Radiola Model 100. Detalle de imán permanente, electroimán y vista posterior del cono de papel (3), 1925
Date: 01/08/2023
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1638 - RCA Radiola Model 100. Detalle cono de papel (4), 1925
Date: 01/08/2023
Views: 221
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783 - Sound of Speech. Bell Telephone Laboratories. Crandall (1), 1925
Date: 04/11/2018
Views: 449
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783 - Sound of Speech. Bell Telephone Laboratories. Crandall (2), 1925
Date: 04/11/2018
Views: 378
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783 - Sound of Speech. Bell Telephone Laboratories. Crandall (3), 1925
Date: 04/11/2018
Views: 375
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665 - Artificial Throat Returns Speech to Cancer Sufferers. Popular Science, 1925
Date: 03/23/2020
Views: 383
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367 - An Artificial Larynx. Riesz (1), 1930
Date: 03/23/2020
Views: 373
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367 - An Artificial Larynx. Riesz (2), 1930
Date: 03/23/2020
Views: 418
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367 - An Artificial Larynx. Riesz (3), 1930
Date: 03/23/2020
Views: 384
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1641 - Marconiphone Type 80. Altavoz electrodinámico de bobina móvil (1), 1929
Date: 02/05/2023
Views: 559
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1641 - Marconiphone Type 80. Detalle de electroimán (6-10V), membrana de tela, bobina y trafo adaptador de impedancia (2), 1929
Date: 02/05/2023
Views: 222
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1641 - Marconiphone Type 80. Detalle de membrana de tela y bobina móvil (3), 1929
Date: 02/05/2023
Views: 175
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1393 - La música electromagnética del profesor Theremin. Ibérica (1), 1928
Date: 03/25/2020
Views: 551
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1393 - La música electromagnética del profesor Theremin. Ibérica (2), 1928
Date: 03/25/2020
Views: 387
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1398 - Theremin. Music from the ether. RCA Radio Victor (facsímil), 1929
Date: 03/26/2020
Views: 374
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1392 - RCA Theremin. Instructions (facsímil) (1), 1929
Date: 03/25/2020
Views: 347
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1392 - RCA Theremin. Instructions (facsímil) (2), 1929
Date: 03/25/2020
Views: 345
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1392 - RCA Theremin. Instructions (facsímil) (3), 1929
Date: 03/25/2020
Views: 336
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1392 - RCA Theremin. Instructions (facsímil) (4), 1929
Date: 03/25/2020
Views: 330
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1392 - RCA Theremin. Instructions (facsímil) (5), 1929
Date: 03/25/2020
Views: 319
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1392 - RCA Theremin. Instructions (facsímil) (6), 1929
Date: 03/25/2020
Views: 326
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1392 - RCA Theremin. Instructions (facsímil) (7), 1929
Date: 03/25/2020
Views: 324
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1392 - RCA Theremin. Instructions (facsímil) (8),1929
Date: 03/25/2020
Views: 331
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1392 - RCA Theremin. Instructions (facsímil) (9), 1929
Date: 03/25/2020
Views: 314
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1392 - RCA Theremin. Instructions (facsímil) (10), 1929
Date: 03/25/2020
Views: 310
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1642 - Philips 2109. Altavoz dinámico de bobina móvil (1), 1930
Date: 02/05/2023
Views: 201
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1642 - Philips 2109. Altavoz dinámico de bobina móvil. Detalle de membrana (2), 1930
Date: 02/05/2023
Views: 168
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