Friedrich Gottlob Keller

Standard Name: Keller, Friedrich Gottlob

Connections

No connections available.

Timeline

1840: Friedrich Gottlob Keller received a German...

Writing climate item

1840

Friedrich Gottlob Keller received a German patent for a wood-grinding machine used to make pulp for paper manufacturing.
Clair, Colin. A Chronology of Printing. Cassell, 1969.
145
Gentry, Helen, and David Greenhood. Chronology of Books and Printing. Rev. ed., Macmillan, 1936.
109

1846: Heinrich Völter purchased Keller 's patent...

Writing climate item

1846

Heinrich Völter purchased Keller 's patent for a pulp machine.
Clair, Colin. A Chronology of Printing. Cassell, 1969.
145, 148

Texts

No bibliographical results available.