LOUIS MA.ANE.

Secretary of the Treasury.

dsss,rogasorias in Relation fo eYss R.sY sti, ..

 of Stea,n Boilers,
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dksAs-ornterias in Relation fo Hse R,sr sti.. q

 of Steam Boilers.

 l. Are you acquainted with the nature and use of Steam Engines! Tn what en- ployment have you been engaged! Were you present, and in what capacity, at the bursting of any steam boiler, or collap- sing of fue; or have you been made ac- Nuainted, by other means, with the facts in any such easel Ifro, in what case!

 ?. In that case, was the water in the boiler above tine gauge cocksi If not, at what height, compared with tue lower gauge cocki

 3. If the boiler contained fua, what wac the difference between the height Of Its upper side and that of the love gauge socks

 4. What was the weight per square inch On the safety @a.=e.

 }. Had the safety valve ever been found Epsted or sticking in the aperture, CT was it so at the time!

 G. Had that part Of .l,a boiler above The water ever been heatod to red aest, or approaching tLereto9

 I. Was there any incrustation or sasi l. lpent found at the bottom of the boiler! If so, what was it's thickness and conlpo- sition2

 s. In what part was tha boiler rent, asd what was the appearaace and extent of the rent!

 g. 1.-the bursting happened to the boil aF of steam-host, was the boat nndeI way. or at rest! Was the valve opena Ii So, how long before the accident! Was il opened hg the engineer, or hy pressurei lu Was the piston going at it's usual speed, or faster, or stower2

 II. Had the frsmen found any unusual nlhculty in keeping up the motion of the engins previously 10 the bursting of the eo.ler! and, If so, ,how long heforea

 = Do the irsn boilers nsed in the Y es