I'm not sure if this has been posted before but I found a great link on a clock restoration site. The article shows how to make a glue pot under 20 dollars as an alternative to the more expensive electric glue pots available to luthiers. It also discusses freezing left over hide glue in ice cube
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Composite old violin ID - The Pegbox - Maestronet Forums
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self made useful tools or templates for violin making/repair - Page 6 - The Pegbox - Maestronet Forums