Faraday as a Discoverer

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John Tyndall. Faraday as a Discoverer

Faraday as a Discoverer

Table of Contents

Preface to the fifth edition

Preface to the fourth edition

Preface to the second edition

FARADAY AS A DISCOVERER

Chapter 1

Footnotes to Chapter 1

Chapter 2

Footnotes to Chapter 2

Chapter 3

Chapter 4

Chapter 5

Footnotes to Chapter 5

Chapter 6

Footnotes to Chapter 6

Chapter 7

Chapter 8

Footnotes to Chapter 8

Chapter 9

Chapter 10

Footnotes to Chapter 10

Chapter 11

Footnotes to Chapter 11

Chapter 12

Chapter 13

Footnotes to Chapter 13

Chapter 14

Footnotes to Chapter 14

Chapter 15

Chapter 16

Отрывок из книги

John Tyndall

Published by Good Press, 2019

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During Faraday's hours of liberty from other duties, he took up subjects of inquiry for himself; and in the spring of 1823, thus self-prompted, he began the examination of a substance which had long been regarded as the chemical element chlorine, in a solid form, but which Sir Humphry Davy, in 1810, had proved to be a hydrate of chlorine, that is, a compound of chlorine and water. Faraday first analysed this hydrate, and wrote out an account of its composition. This account was looked over by Davy, who suggested the heating of the hydrate under pressure in a sealed glass tube. This was done. The hydrate fused at a blood-heat, the tube became filled with a yellow atmosphere, and was afterwards found to contain two liquid substances. Dr. Paris happened to enter the laboratory while Faraday was at work. Seeing the oily liquid in his tube, he rallied the young chemist for his carelessness in employing soiled vessels. On filing off the end of the tube, its contents exploded and the oily matter vanished. Early next morning, Dr. Paris received the following note:—

'Dear Sir—The oil you noticed yesterday turns out to be liquid chlorine.

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