Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 947
s weremade larger and more row-ers were necessary. Gal-leys with two and three,and even four rows ofoarsmen, were built by theRoman navy. When therewas more than one row ofoars the rowers sat onbenches one above another.The oarsmen were slaves or prisoners captured provements in the building of… … FIG. 4. A ROMAN GALLEY WITH THREE BANKS OF OARS. I907-] STORIES OF USEFUL INVENTIONS 927 18th century another step was taken. You re-member that in that century inventors wereeverywhere trying to make a steam-carriage.They were at the same time trying to make asteamboat. France, England, Germany,…
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