Only about seventy years ago was chemistry, like a grain of seed from a ripe fruit, separated from the other physical sciences. With Black, Cavendish and Priestley, its new era began. Medicine, pharmacy, and the useful arts, had prepared the soil upon which this seed was to germinate and to flourish.

In this apparatus is nothing new but its simplicity and thorough trustworthiness. On his revolutionary method of organic analysis.

We may fairly judge of the commercial prosperity of a country from the amount of sulphuric acid it consumes.

Only about seventy years ago was chemistry, like a grain of seed from a ripe fruit, separated from the other physical sciences. With Black, Cavendish and Priestley, its new era began. Medicine, pharmacy, and the useful arts, had prepared the soil upon which this seed was to germinate and to flourish.

The more fodder, the more flesh; the more flesh, the more manure; the more manure, the more grain.

The progress of mankind is due exclusively to the progress of natural sciences, not to morals, religion or philosophy.

From one sublime genius-NEWTON-more light has proceeded than the labour of a thousand years preceding had been able to produce.