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Ch 11, Part 4 - Iron, Nickel, Cobalt, Zinc, Cadmium

In A Text-book of Assaying

Read by 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…

Aristotle

In Fathers of Biology

Read by Peter Yearsley

Charles McRae and Charles Mcrae

An account given of the lives of five great naturalists (Hippocrates, Aristotle, Galen, Vesalius and Harvey) will not be found devoid of int…

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