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Scientific American, Vol. 92, No. 1 (1905) (1905)

leaf 3

An illustration from Scientific American, Vol. 92, No. 1 (1905), 1905, leaf 3
some chemical reaction not yet thor- for back pedaling, the Manufacture Francaise d’Armes remedies the manifold inconveniences of. the ordinary cughly understood. This erosion is further assisted, et. Cycles of Saint Etienne, France, taking as a basis arc lamps employed for photographic purposes.… … NEW PHOTOGRAPHIC LAMP. would cut its way through a may be performed instantaneously and so easily that block of ice. it is possible to pedal one revolution forward and one such inconveniences, one of the least is the production It must not be supposed, however, that all: modern backward, that is to…

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