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The Iron Age 1881-09-29: Vol 28 Iss 13

1881 Reed Business Information US

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Vol. XXVIII: No. 13. The Iron Age A Review of the Hardware, Iron and Metal ‘Trades. Published every Thursday Morning by DAVID WILLIAMS, No. 83 Reade Street, New York. Entered at the Post Office, New York, as Second-Class Matter. New York, Thursday, September 29, 1881. F. Brocq’s Apparatus for Determina- tion of Water Held in Suspension by Steam. The apparatus shown in elevation and sec- tion by the accompanying cuts, is based on the principle that a vapor in contact with the liquid from which it is generated has a con- stant pressure or tension as long as the tem- perature remains constant, and a certain fixed value, independent of changes of vol- ume, occupied by the mixture of steam and water. What takes place during such changes is well known. An increase of volume causes the evaporation of a certain quantity of liquid, and if the pro- cess is sufficiently slow to allow the surfaces of the receiver to give off the necessary quantity of heat, there will be neither a decrease of temperature nor a de- crease of tension. But if by an expansion of volume when there is no excess of liquid pre- sent, and the steam is at its maximum tension corresponding to the temperature indicated, ev…

Citation

The Iron Age 1881-09-29: Vol 28 Iss 13. Reed Business Information US. 1881.