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 Post subject: Addition of Gelatine
PostPosted: Fri Mar 29, 2013 7:00 pm 
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Joined: Sat Mar 23, 2013 7:00 pm
Posts: 5
Did the addition of Gelatine in 1855 to the gum
affect either the colour of the gum or stamp
front or back?


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 Post subject: Re: Addition of Gelatine
PostPosted: Wed May 14, 2014 11:32 pm 
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Joined: Sun May 04, 2014 2:26 pm
Posts: 5
That is a good question. Just joined ,so late with any reply. What was the original gum?
Potato starch? Gelatine if pure is clear in solution. Becomes light yellow with slight impurities. It would only be guess work what effect it had on the colour of the gum and the face of the stamp.


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