＜p＞"IT is a wonderful fact in the swift expansion of mechanical knowledge and appliances of the last hundred years that while for unknown ages the wind was the only propelling force used for purposes of navigation, apart from the rude application of power through oars worked by men, the whole scheme of steam transport has grown, practically, to its present wonderful perfection within the lifetime of men yet living." -an excerpt＜/p＞画面が切り替わりますので、しばらくお待ち下さい。 ※ご購入は、楽天kobo商品ページからお願いします。※切り替わらない場合は、こちら をクリックして下さい。 ※このページからは注文できません。