The platinum metals

Transcriber’s Note:
The cover image was created by the transcriber and is placed in the public domain.
This ebook (originally published in 1920) was created in honour of Distributed Proofreaders 20th Anniversary.
IMPERIAL INSTITUTE
MONOGRAPHS ON MINERAL RESOURCES
WITH SPECIAL REFERENCE TO THE
BRITISH EMPIRE
PREPARED UNDER THE DIRECTION OF THE
MINERAL RESOURCES COMMITTEE WITH THE
ASSISTANCE OF THE SCIENTIFIC AND TECHNICAL
STAFF OF THE IMPERIAL INSTITUTE
A. D. LUMB, A.R.S.M., F.G.S., Assoc. Inst. M.M.