— for Soldering, [665]
Recovering Glycerine from Soap Boiler’s Lye, [378]
Recovery of Tin and Iron in Tinned-plate Clippings, [707]
Recutting Old Files, [339]
Red Birds, Food for, [729]
— Coloring of Copper, [221]
— Crimson and Pink Dyes, [270]
— Dye for Wool, [271]
— Furniture Paste, [592]
— Gilding, [580]