Restoration Gramophone

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    GRAMOPHONE His Masters Voice C102A

    Made under license by La Socit du Gramophone Franais - La Voix de son matre to 1930

    EXAMPLE OF RESTORATION

    Christian FonckJuly 2010

    Gramophone at the

    purchase

    Type C102A

    to restore

    Here is a gramophone

    with turntable cloth

    dead, motor stops or

    many speedfluctuations, reproducer

    dead (diaphragm

    broken), case in bad

    condition, very dirty

    1

    Dismantling of the board

    Contrary to the English

    HMV which is a wood

    board, French have put a

    board in wooden painted

    metal!

    Metal board

    2

    Dismantling of the

    engine Type 271

    Cleaning the engine with

    gasoline and greasing

    with new lubricants:

    grease for the gearings

    and oil for axes. Check

    all parts

    No track of rust has to

    remain

    HMV 271 B motor

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    the horn and mostly the

    visible mouth need new

    painting in matt black

    (here already paint, butwas striped with paint

    chips)

    3

    Dismantling Horn

    cleaning and new

    painting of the complete

    horn (external and

    internal)

    To remove old paint, use

    acetone. (be careful,

    dangerous product)

    No track of rust has to

    remain

    4

    Installation on turntable

    of a new dress (cloth)

    which is a black felt of

    pure wool

    Never use tissues in

    Synthetic materials no

    existing in 1930

    New clothing

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    5

    Change the broken

    Sound box reproducer

    by a new original one

    from HMV (of the

    ancient stocks of the

    factory of Hayes)

    Boxed new sound box Old broken reproducer (no brand) New 5 B HMV reproducer

    6

    Regulation of the speed

    and control of the

    general functioning.

    Change part of manual

    brake which was felt by

    a piece of round leather

    7

    Cleaning and oiling

    spring and mechanism

    of speed control

    This phase asks for the

    listening of several

    records for the

    regulation of speed or

    using a stroboscopeAll Mechanism

    8Dismantling of 16

    copper corners and

    cleaning the old paint

    then repainting.

    Originally painted in

    metal brilliant black,

    (Paint of screw heads)

    HMV 102s typical corner

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    9

    Reassembly of the

    typical " His Master's

    Voice " 102s horn as

    snail of which windsaround the engine

    Atypical regarding to the

    other brands of

    gramophone, but

    increase very appreciably

    the quality of the sound!

    10

    Locks and other metallic

    parts of the box have

    been dismantled, well

    cleaning and repainted.

    All the black metal parts

    in matt as originally. For

    the internal chromed

    platted part, also

    dismantled and cleaned

    with adequate products

    for chromes and sanded.

    No track of rust has to

    remain

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    11

    Reconditioning of the

    suitcase leather:

    cleaning with soft

    gasoline (no acetone),then coloring with black

    leather liquid color and

    after drying shining

    products

    Dismantling of the original

    leather handle and coloring

    with black leather and

    shining products(same

    process of case)

    12

    Final testRemove duster and

    all remaining dirty

    parts small

    finishes

    Listening of around

    10 records

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    Gramophone

    " La Voix de son

    Matre " type

    HMV C102A

    Totally restored

    Ready To Play

    Identification

    Type C102A

    s/n 6674

    The restoration of a

    gramophone asks

    knowledge for :

    Mechanics

    Metal sorts

    Materials

    Chemicals

    Leather

    Sewing

    Painting

    Music

    Christian Fonck

    July 2010