Author of Audiobooks - Cornelius BERINGER

Audio Books » Авторы » Cornelius BERINGER
A Text-book of Assaying - Cornelius BERINGER
A Text-book of Assaying - Cornelius BERINGER Audiobooks - Free Audio Books | Knigi-Audio.com/en/
A Text-book of Assaying - Cornelius BERINGER Audiobooks - Free Audio Books | Knigi-Audio.com/en/
00
A Text-book of Assaying - Cornelius BERINGER
This is a formal but relaxed text covering assaying techniques for most of the substances which are mined. As the authors say: "At first our intention was to supply a description of those substances only which have a commercial value, but on...