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Initially the company was based at Heiligegeiststraße 13. Around [[1856]] Blanckertz acquired the property at Fliederstraße 4 in Friedrichshain. Around [[1872]] the property at Gollnowstraße 11 was added and, from 1889, the property at Georgenkirchstraße 44.

Initially the company was based at Heiligegeiststraße 13. Around [[1856]] Blanckertz acquired the property at Fliederstraße 4 in Friedrichshain. Around [[1872]] the property at Gollnowstraße 11 was added and, from 1889, the property at Georgenkirchstraße 44.

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]].  

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.  

From [[1913]] he set up his own rolling mill and became the major German manufacturer of steel nibs.

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