Engineering Commons^™

The Metallurgic Treatment Of An Ore For Gold, Silver, Lead, And Copper, William M. Claypool

Professional Degree Theses

No abstract provided.

Interoceanic Canal Projects, Frank W. Wilson

Professional Degree Theses

"The construction of a canal to connect the Atlantic and Pacific Oceans has been discussed since the discovery of the New World and the whole world has only been waiting until some feasible and economical plan should be offered by which this construction could be made.

The narrow neck of land lying between the continents of North America and South America seems especially adapted to this purpose and has for years tempted exploring parties thither to seek for a practicable canal route. Of late years however another scheme has been proposed which surpasses in magnitude and in economy as well, …

The Production Of Spelter As Practiced At The Glendale Zinc Works, Arthur Neustaedter

Professional Degree Theses

"Description of the Zinc Works. The "Glendale Zinc Works" are situated in the southern part of the city of St. Louis, on the line of the St. Louis Iron Mountain and Southern R. R. and among the iron manufacturing districts they are the only zinc works now in operation and produce a large quantity of spelter"--page 2.

Metallurgic Industries Of South Missouri, Philip Gallaher

Professional Degree Theses

"The metallurgic industries of South Missouri consist chiefly of iron, lead and zinc industries. These are widely distributed over the southern counties and in many localities the works are extensive, proving in many cases to be great sources of wealth. In the production of Iron the profit is small. Yet this industry, owing to a growing demand, is steadily increasing"--page 2.

Stresses In Suspension Bridges, William M. Claypool

Professional Degree Theses

"A suspension bridge is one in which the roadway over the stream or span to be crossed is suspended from chains or wire ropes.

A suspension bridge consists of the towers or piers over which the main chains or cables pass; the anchorages to which the ends of the cables are attached; the main chains or cables from which the roadway is suspended; the suspending rods or chains which connect the roadway with the cable and the roadway.

The sub-structure consists of the foundations, piers &c. The super-structure consists of the roadway and the chains or cables"--page 1.

Limes, Mortars, And Cements, Curtis Alexander

Professional Degree Theses

"Lime, calcic oxide, or quick-lime contains 40 parts of the metal calcium and 16 of oxygen by weight and has a specific gravity, depending on its porosity from 2.3 to 3.8. It is a white alkaline earthy substance, quite infusible and is the only oxide of calcium. It is obtained pure by heating pure calcic carbonate to full redness; which expells the carbonic anhydride"--page 1.

Common Roads, Arthur Neustaedter

Professional Degree Theses

"The subject of this thesis is on "Common Roads", meaning by "common roads", wagon-roads; which do not include roads with Trackways, as railroads"--page 2.