This section is from the book "Bepler's Handy Manual of Knowledge And Useful Infomation", by David Bepler. Also available from Amazon: Bepler's Handy Manual of Knowledge and Useful Information.
Take seventy-five parts of India-rubber, dissolved in sixty parts of chloroform, with fifteen parts gum mastic added makes a purely transparent paste which can be used in the most delicate kind of decorative work.
 
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