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Found in: Archives
Source: Government
Type of material: Photographs

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  1. 1
    A master disc is separated from electro-plated mold 1956
    1 digital object(s)

    A master disc is separated from electro-plated mold

    Archives / Collections and Fonds
    Item (linked)
    Photographs
    Item ID number:
    4948749
    Date:
    1956
    Source:
    Government
    Reference:
    Box number: 69
    ... Edison invented his famous tinfoil machine in 1877, man has striven to perfect a mechanism for reproducing sound. Above, master disc is separated from 
  2. 2
    A master disc is separated from electro-plated mold 1956
    1 digital object(s)

    Un disque matrice est séparé du moule électroplaqué

    Archives / Collections and Fonds
    Item (linked)
    Photographs
    Item ID number:
    4950497
    Date:
    1956
    Source:
    Government
    Reference:
    RG53, Box number: 69
    ... Edison invented his famous tinfoil machine in 1877, man has striven to perfect a mechanism for reproducing sound. Above, master disc is separated from 
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