Discover how Johnson Matthey grew from its beginnings in 1817 to become an international leading speciality chemicals company

1817

1817

Building a reputation in precious metals

Percival Norton Johnson establishes business as gold assayer in London

1822

1822

Offices moved to 79 Hatton Garden

1832

1832

Percival Norton Johnson took George Stokes into partnership – known as Johnson & Stokes

1837

1837

Percival Norton Johnson took WJ Cock into partnership – company known as Johnson & Cock

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1800 1850 1900 1950 2000 2010

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A History of Platinum and its Allied Metals

This book describes the history of platinum and its associated metals, covering important discoveries and scientific work on the platinum group metals up to the early twentieth century.

With 24 chapters, over 600 references and 235 illustrations, 'A History of Platinum and its Allied Metals' by Donald McDonald and Leslie B. Hunt is the definitive description of how science was able to progress by means of the unique properties of these metals.

Free – read and download on Google Books