NEW YORK. JULY 2, 1860. New Sertzs. Vou. III.—No. 1. THE “FRENCH STEAM RAMS. power is required to draw 1 tun on acommon road as 15 STEAM CARRIAGES FOR COMMON ROADS. Donald McKay (who is now in France), while writing to 20 tuns on a railroad; and in this engine, to convey This is not a new subject,…
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