This section is from the book "The Tinman's Manual And Builder's And Mechanic's Handbook", by Isaac Ridler Butt. Also available from Amazon: The Tinman's Manual And Builder's And Mechanic's Handbook.
Best pale glue and white curd soap, of each 4 ounces; hot water 3 pints; dissolve, then add powdered alum 2 ounces. Used to size prints and pictures before coloring them.
 
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