THE GREAT FIRE, Costinmation of the Investigation by the Board of Police. Testimony of Firemen and Citizens—Jfothlaj Important Elicited. The Board 01 Police and Fire Commissioners yesterday resumed their inquiries into the cause of the spread of the fire. F. T. Sweeny was the first witness called. lie was foreman of tha Hook and Ladder No. 1, and arrived at the seen* of the tire in answer to the second alarm. Even on Ids arrival he believed tho fire could have boon stopped. He asked Assistant Marshal Schank why Bob Williams did uot move the engines to the north of the lire. Sohanck said he had made the suggestion, but Williams told him to go to h—ll.” No engines were to the north of the lire before the third alarm had been given. The wind was blowing very bard when he arrived. He could not explain tho luck of hose that prevailed. Mr. Chadwick thought it might t>e occasioned by tho rapid change of situation by the engines incident to tho fixe. Swcmysaid tho engines uovedmore rapid ly than they had reason. Several of them left a wmm place before there was any necessity for doing so. The Wabarsla moved from the corner of Taylor and Clinton street; the Sherman and Long John returned to tho same place and protected each other. Tim Coventry moved away from the ping on. Polk street, and the Uuud from Bateham’s null, before there wis any occa sion for so doing. Tho management of the list engine was as good as could bo expected, and its loss was on ing to no Incompetence on the part of the foreman, us there wore no Marshals in the neighborhood, and no head to a Hairs generally. The lire did not move rapidly across Monroe street, cor until it had been through the Armory. When be readied me ties tbo.ro were four streams plaving to the south of it. He onlv saw Williams once; that was on tho corner of Mather ami Ca nal streets. The Fire Marshal then cross-examined the wit ness. The replies tended to show tlut there was very little affcctiou wasted between the WILLIAM FUAZEK, a citizen, was the next witness, but beyond stat ing that Omnipotence could not check the tire, and that ho rode down to it ona hose cart, he informed the Commissioners of nothing. A recess was hero taken till 2 oclock. CHARLES G. KUO?r, A _ of the Insurance Fire Patrol, stirteu to tlio tire when it reached Van Burenstreet. Aid. Hil dreth went to him to get soois powder. Ho too.: a Babcock to extinguish awnings, etc., ■which caucht tiro from the sparks. The powder was in kega aud tin cans, and was covered by