[12]. ‘Meteorology,’ by Sir J. Herschel.
[13]. This theory of heat and motion originated with Mr. Joule, of Manchester, who has maintained it with the greatest talent, both by experiment and analysis; and it has had an able advocate in Professor W. Thomson, of Glasgow.
[14]. To this remarkable man the world is indebted for the locomotive railway system, which is rapidly advancing the civilization of mankind. Britain may well be proud of its working classes, which can produce such men; and Mr. George Stephenson is not the only one; there are many others; but no man has ever had greater influence by his labours and discoveries on human affairs.
[15]. ‘Correlation of the Physical Forces, by W. R. Grove, Esq.,’ one of the most remarkable and talented works that has appeared, to which the author with pleasure acknowledges her obligations.
[16]. “Eripuit fulmen Cœlo, sceptrumque tyrannis,” is the inscription on a medal struck in honour of Franklin.
[17]. Faraday.
[18]. Professor Matteucci still expresses doubts on this subject, but has not yet finished his experiments.
[19]. Babbage.
[20]. Phil. Mag. for May 1858.
Transcriber's Notes