Consolidants

I have heard that some conservators used a mixture of Isinglass and
Gum Tragacanth for consolidating flaking watercolours. Please advise
on the percentage of each in the mixture and why such mixture is
used as both are independent consolidants. Thanks,

Lee Siew Wah
Assistant Conservator (Paper)
National Heritage Board
61 Stamford Road
02-01 Stamford Court
Singapore 178892

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                  Conservation DistList Instance 12:1
                 Distributed: Wednesday, June 10, 1998
                        Message Id: cdl-12-1-012
                                  ***