Translations:Heintze & Blanckertz/3/en

In 1887 Rudolf Blanckertz joined his father's company as a representative and engineer and in 1898 founded the Rudolf Blanckertz Type Museum. After his father's death in 1908, Rudolf Blanckertz became the owner of the company and had a steel mill built in Oranienburg in 1912. From 1913 he set up his own rolling mill and became the major German manufacturer of steel nibs.