of the poor-house to instruct in the art of firework making and he kept them chiefly employed in filling and ramming the cases of the sky-rockets, serpents, squibs, etc. The latter part of this stage of the work is done by a funnel, or piece of tin made in the shape of an extinguisher, and a small piece of iron wire, about a foot long, which is used as a ramrod. The small end, or nipple, as it is called, of the extinguisher is introduced into one end of the rocket or squib, and the boys ram the powder and wadding down with the ramrod. Yesterday morning, at the time above stated, Mr. Brock and his men left the factory to go to breakfast, leaving the two boys engaged at the work-board, ramming the sky-rockets. They had scarcely sat down to their meal when they, as well as the inhabitants around them for some distance, heard a sort of rumbling noise as if of some distant thunder, and the next moment a tremendous and deafening explosion followed, and the air was illumined with lights of various descriptions, and accompanied by continued reports. The concussion thus occasioned was so great that the inmates in the different houses were shaken from their seats, many of whom were sitting at their breakfast, and the tables and tea-things were upset and broken to pieces. The window frames were all forced out, and the brickbats and materials were flying about in every direction. The roofs of Mr. Brock's manufactory, and the factory of Mr. M'Devitt adjoining, were blown to a considerable height, and the falling materials did considerable mischief. After the agitation was somewhat subsided, an inquiry into the cause of the accident took place, when it appeared from the statement of the two boys (who were blown a considerable height and were much injured) that they were at work, ramming the rockets, when the ramrod struck against the funnel, and the friction
