— — — Powder for Hardening, [427]

— Biting Off Red Hot, [612]

— Black Paint for, [495]

Iron, Bronzing, [567]

— Castings, to Soften, [427]

— Cements for, [17], [25]

— How to Attach Rubber to, [22]

— Pipes, Rust Prevention for, [625]

— Silver-plating, [587]

— Solders, [665]