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Scientific American, Vol. 80, No. 7 (1899) (1899)

leaf 4

An illustration from Scientific American, Vol. 80, No. 7 (1899), 1899, leaf 4
to allow for unevenness of the less can this be done where it is necessary to road, and are connected together by a rod to the mine the mineral. Nearly all: the mines or horizontal steering lever just in front of the streams have been worked over once, and any new work must be at a disadvantage,… … monazite sands may be far lower in thoria pinge and impart the power of the engine ASOLINE MOTOR TRICYCLE. THE TINKHAM than seemingly inferior [= > w= to the wheels by friction. This shaft is manipulated sands. Few of the actual miners forward or backward by have any capital, and they the single…

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