Cornelius Beringer

Insomnia Collection Vol. 001

Lu par LibriVox Volunteers

Various

Soporific dullness is in the ear of the listener, and what's tedium incarnate to one person will be another person's passion and delight. Ho…

A Text-book of Assaying

Lu par Peter Yearsley

Cornelius Beringer and Cornelius Beringerandjohn Jacob Beringer

This is a formal but relaxed text covering assaying techniques for most of the substances which are mined. As the authors say: "At firs…