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Full-Text Articles in Engineering

Scheme For The Treatment Of Copper Smelter Flue Dust, John Perry Walker Jan 1911

Scheme For The Treatment Of Copper Smelter Flue Dust, John Perry Walker

Bachelors Theses

"In recent years, methods for improving the prevailing practice in treatment of flue dust have demanded the attention of those engaged in the copper and lead industries. Great advancement has been made in the more complete settling of the dust in large chambers and flues, and in some instances, more particularly in the case of lead smelters, in its extraction from the flue discharge of the furnaces by filtration through bags. Schemes for re-treating this recovered dust are, however, in a somewhat undeveloped state"--page 1.


Ratio Of The Thermal And Electrical Conductivities For Gas Carbon, Oscar Alan Randolph Jan 1911

Ratio Of The Thermal And Electrical Conductivities For Gas Carbon, Oscar Alan Randolph

Bachelors Theses

"The method of F. Kohlrausch for the determination of the ratio of the heat conductivity upside down gamma , to the electrical conductivity k of a substance is of practical value as well as of theoretical interest. Of practical value because there may be obtained from it - with much great ease than by direct methods - the heat conductivity which has immediate applications, not only to the design and construction of furnaces, but to various other matters of such import; of theoretical interest to the physicist, because of the Wiedmann-Franz and its consequent relation to the electron theory; to …


The Determination Of The Electrical Resistance Of The Human Body Under Conditions To Be Met Within Underground Mining, Duncan S. Smith, Paul E. Coaske Jan 1911

The Determination Of The Electrical Resistance Of The Human Body Under Conditions To Be Met Within Underground Mining, Duncan S. Smith, Paul E. Coaske

Bachelors Theses

"The use of electric wires in mines for power purposes is dangerous to human life. Deaths occur every year from electric shocks, and in most cases these accidents could have been prevented if some precaution had been taken by the victims, or if some care had been taken to protect them from coming in contact with live wires. Most workingmen accustomed to working around electric wires become careless and a lack of knowledge of the danger involved gives rise to the many accidents that occur each year...The object of this investigation is to determine just what resistance the human body …