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Glue

Posted: Tue Jan 13, 2015 8:31 pm
by FionaDowson
Can't find the episode of Time Team with people making glue from curdled milk. There are bits on You Tube with people using soda - could wood ash be substituted? Has anyone tried doing this?

Does it make a difference if you use goat milk or cow milk?

Viking answer lady suggests glue was used to reinforce mortice and tenon joints on wooden boxes

Any comments?

Re: Glue

Posted: Wed Jan 14, 2015 9:42 pm
by Mark Griffin
not sure about the TT bit but this works..

https://www.youtube.com/watch?v=90UDm3KgYSo

Re: Glue

Posted: Sat Jan 17, 2015 7:04 am
by Brother Ranulf
"Daily Living in the Twelfth Century" mentions casein glue used to fix linen to plane tree wood for making organ bellows; there is also mention of fish glue and hide glue in different situations.

This is a reasonable study of various types of medieval glues:
http://www.rocks4brains.com/glue.pdf

This looks at casein glue from cheese/curdled milk:
https://mymedievallife.wordpress.com/20 ... sein-glue/

This looks at fish glue:
http://cool.conservation-us.org/coolaic ... 19-29.html

Each type has its own strengths and weaknesses (pun intended :angel: ).

Re: Glue

Posted: Sat Jan 17, 2015 10:34 am
by Mark Griffin
cheese/lime glue is awesome for wood stuff. I've seen 13th cent panels where the wood has pretty much gone but that stuff is still like basalt.