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Scientific American, Vol. 43, No. 14 (1880) (1880)

leaf 7

An illustration from Scientific American, Vol. 43, No. 14 (1880), 1880, leaf 7
. turnout, shall not pass by the pivot of the lever until the necessity of leaving the car to operate it. rear car wheel has entered between the lever and the rail. The main track rail, A, and the other portions of the An improved vehicle wheel has been patented by Mr. Thi§ switch has been six… … rail terminates at one end ata blood, and then raising the STREET RAILWAY SWITCH. point opposite the center of temperature to the coagulat- ing point of the blood, and the frog, A. The space be- finally separating from the tannin liquor the coagulated tongue, C, is pivoted at the end’of the branch…

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