CHAPTER XI.
THEORIES OF HARDENING.--Combined, Graphitic, Dissolved, Cement, Hardening and Non-hardening Carbon. Carbides. Allotropic Forms of Iron α, β, etc. Iron as an Igneous Rock or as a Liquid 146
THEORIES OF HARDENING.--Combined, Graphitic, Dissolved, Cement, Hardening and Non-hardening Carbon. Carbides. Allotropic Forms of Iron α, β, etc. Iron as an Igneous Rock or as a Liquid 146