The Incompatibility of Certain Alcohol and Soap Frothers

The purpose of this thesis is to elucidate this phenomena of frother incompatibility, and to offer an explanation based upon several divergent lines of investigation. The research was limited to four common frothing agents, namely, pine oil, n-amyl alcohol, sodium oleate, and sodium lauryl sulphate (Dreft).

The Psilomelane Mineral of the Butte District, Montana

During the last few years a great deal of research has been done in connection with the black manganese oxide minerals. This is especially true of the so called mineral psilomelane. It has been proven without a doubt that the name psilomelane has been used in the past to include a great variety of similar black manganese oxide minerals. By the use of X-ray equipment these minerals have been definitely identified.

The Amplifier - v. 16, no. 2

In this issue...Who's Who, Vietnam War, Student Union Building, Cultural Programs, Library, Loretta Peck, Radio 1370, Film Festival, Elizabeth Lochrie, Big Sky Techettes