Resilvering, [588]
— of Mirrors, [476]
Restoring Photographs, [544]
— Tarnished Gold, [199]
Restoration of Brass Articles, [132]
— of Old Prints, [309]
Restoration of Spoiled Beer, [105]
— of the Color of Turquoises, [432]
Retz Alloy, [64]
Revolver Lubricants, [460]