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Thread: Naprawa bowlback mandolina gaetano vinaccia 1921

  1. #1
    Registered User Jarek's Avatar
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    Default Naprawa bowlback mandolina gaetano vinaccia 1921

    Hi. What kind of wood do you think these shavings are made of?Click image for larger version. 

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    Default Re: Naprawa bowlback mandolina gaetano vinaccia 1921

    Spruce or pine, what ever the top was made of.

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    Registered User Jarek's Avatar
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    Default Re: Naprawa bowlback mandolina gaetano vinaccia 1921

    Hi, I think the top is made of Sitka Spruce Click image for larger version. 

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    Full Grown and Cussin' brunello97's Avatar
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    Default Re: Naprawa bowlback mandolina gaetano vinaccia 1921

    Thanks for the muy coolioso photos, Jarek.

    Note the extra bracing of the top north of the soundhole and to either side: #1 and #2.

    Both Embergher and CF Martin used this technique to help resist top deflection and neck rotation, though they both used slightly larger plates.

    Note also in the interior splice (#3) across the joint of the two pieces of the top which continues to the neck side of the folded cant in the top: #4.

    Super interesting.

    Mick
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    Default Re: Naprawa bowlback mandolina gaetano vinaccia 1921

    Hi

    Thanks for your valuable comments

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    Default Re: Naprawa bowlback mandolina gaetano vinaccia 1921

    Quote Originally Posted by Jarek View Post
    Hi, I think the top is made of Sitka Spruce
    I am interested in why you think it is Sitka. I think it would be unusual that an Italian maker imported Sitka spruce in 1921. There was a good supply of spruce available in Italy. Also Sitka spruce was in high demand in the US for aircraft production.

    Cool photos btw.

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    Registered User Jarek's Avatar
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    Default Re: Naprawa bowlback mandolina gaetano vinaccia 1921

    I would like to use the original finish of the hole (rosette) but I need to fix it first. What are patterns embedded in? Is it enough to pour bone glue, polish up and varnish Click image for larger version. 

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    Default Re: Naprawa bowlback mandolina gaetano vinaccia 1921

    Nevin,
    [QUOTE=Nevin;1830474]I am interested in why you think it is Sitka. I think it would be unusual that an Italian maker imported Sitka spruce in 1921. There was a good supply of spruce available in Italy. Also Sitka spruce was in high demand in the US for aircraft production.


    I found an article describing the types of wood used to make mandolins. I do not know much about tree species and I did not know that Sitka spruce grows in Alaska ) A very valuable note Thank you

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