— — Rust from Nickel, [199], [203]
— — Silver Plating, [203]
— — Silver Stains from White Fabrics, [193]
— — Soft Solder from Gold, [383]
— — Spots from Drawings, [206]
— — Spots from Tracing Cloth, [192]
— — Stains from the Hands, [184]
— — Stains of Sulphate, [186]
— — Strains in Metal by Heating, [686]
— — Varnish from Metal, [188]