Origin of gum dammar
First recorded in 1865–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for gum dammar
The “Merkbuch” recommends poppy seed oil and benzine mixture (p. 70) or the gum-dammar solution.
If friable the object should be carefully impregnated with a solution of gum-dammar (p. 70).
This done, the edges of the cover may be fixed to the slide by painting round with gum-dammar dissolved in benzole.Fungi: Their Nature and Uses
Mordecai Cubitt Cooke