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Scientific American, Vol. 65, No. 6 (August 1891) (1891)

leaf 5

An illustration from Scientific American, Vol. 65, No. 6 (August 1891), 1891, leaf 5
upon the equalizer, Fig. 2 being a vertical longitudinal section. But now the director-general and the board of di- solid rock, granite underlying the entire region. The The springs are supported on the axle in the usual rectors of these great works are accused of having sys- earth dams have spill… … he produced orders to and receipts from the maker of provided with four main valves. One set can be used such stamps ; he also gave a number of railway acci- FOSTER'S SPRING EQUALIZER. in an emergency to empty ; it the other set connects dents, etc., which he alleges have been caused by with the…

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