In admiralty law. AS applied to a steam-vessel, “such speed only is moderate as will permit the steamer reasonably and effectually to avoid a collision by slackening speed, or by stopping and reversing, within the distance at which an ap- proaching vessel can be seen.” The City of New York (C. C.) 35 Fed. 609; The Allianca (D. C.) 39 Fed. 4S0; The State of Alabama (D. C.) 17 Fed. 952.