ere is now being completed on the River Cart, at through a derived circuit connected with the terminals the works of Messrs. William Simons & Co., Ren- WAVES UTILIZED TO PUMP WATER. of the field magnet. In the machine here illustrated frew, a 1,000 ton hopper dredger for the corporation of this… … tons of dredgings per hour, and can dredge to a depth SMITH'S DYNAMO ELECTRIC IGNITING MACHINE. of 30 ft. below the surface of the water. The other ap- pliances on board are similar to those fitted by Messrs, an accelerated motion of the armature is more effective Simons on the vessels of the…
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