THE ADVOCATE OP INDUSTRY, AND JOURNAL OP SCIENTIFIC, MECHANICAL AND OTHER IMPROVEMENTS. VOLUME 6.] [NUMBER 29. NEW-YORK, APRIL, 3, 1851. cient importance to procure copies of works so Scientific American, IMPROVED RAILROAD HAND-CAR—Figure 1. rare and so useful. CIRCULATION 16,000. … Faaten on the bottom of the cars, near the the close he finds he is taxed to the extent of wheels, pieces of wood, to be about six inches a hundred or more pounds for England alone; The improvement on this Car is the inven- the bottom oi the large receptacle of the car ; above the rails, so that…
Patents · Cotton · Locomotive · Flax · Railroad · Trade winds · Feet · Human life · Heating surface · Patent office · Submarine boat · Great number · Steam engine · Three cent · Wrought iron · Great deal
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