ho have supplied two of their traveling towers, a In appearance the machine resembles the ordinary for driving capstans, ete. photograph of one of which we reproduce herewith, in exerciser with elastic cords passing over pulleys ; but The wagons, laden with phosphates, run along the order to… … Although this transporter performs a series of opera- SS oS ELECTRIC EXERCISER. tions, the whole of them are controlled by a single A PHOSPHATE TRANSPORTER AT SFAX, rope, and the engineer has but one lever to which to The mining of phosphates comprises one of the attend. Throughout the whole length…
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