Jehl: "I was once with Mr. Upton calculating some tables which he had put me on, when Mr. Edison appeared with a glass bulb having a pear-shaped appearance in his hand. It was the kind that we were going to use for our lamp experiments; and Mr. Edison asked Mr. Upton to please calculate for him its cubic contents in centimetres. Now Mr. Upton was a very able mathematician, who, after he finished his studies at Princeton, went to Germany and got his final gloss under that great master, Helmholtz.英文原著 · 《Edison, His Life and Inventions》
October 23.--The 17th Battalion asked me to be the first subscriber of "one sou" to a fund for purchasing a cannon. They will collect 300,000 sous. This will make 15,000 francs, which will purchase a 24-centimetre gun. carrying 8,500 metres--equal to the Krupp guns.英文原著 · 《The Memoirs of Victor Hugo》
To the same question, more distinctly asked, he replied,: " 5 metres, 75 centimetres." When asked how long he had been deranged, he answered: "Cats, always cats." M. Morel at once declared his madness {291} to be simulated, and states: " In their extreme aberrations, in their most furious delirium, madmen do not confound what it is impossible for the most extravagant logic to confound. There is no madman who loses the idea of cause, of substance, of existence." (See " Psychol. Journal," Oct. 1857.)英文原著 · 《The Scottish Philosophy》