The purpose of this paper is to present a brief sketch of the development of this hindered-settling “sorting” classifier, but primarily to show the actual
The effect of vacuum melting on the elimination of gases and nonmetallic inclusions for six low-alloy steels was investigated. The purpose of these studies was
A laboratory furnace was developed for use in studying the interrelationships among variables associated with skull melting and casting high-temperature metals. Although additional work is
Set the standard sludge box just below the floor of the shanty and in such position that there is room to siphon off the water
At the Seventh International Congress of Applied Chemistry I presented a paper, The Assay and Valuation of Gold-Bullion, in which are briefly mentioned a few
As run for student class-work the mill contains a feeder, stamps, plate, and vanner. Results in the past indicate that the work of these machines
Here is a paper on surveying and sampling diamond-drill holes. The present paper gives a more thorough description of these methods, together with a few
Salt Making Processes The production of salt in the United States divides itself at the outset into two distinct classes: The mining of rock salt
Without going into an elaborate history of the subject, the following may be mentioned treating on the evolution of roll shells. During the early days
The art of crushing ores and other materials by means of rolls is a comparatively recent one. While the first record of rolls using iron