The amenities of the institute include a well-arranged open-access library of 18,000 volumes, and a small but valuable reference library of railway literature; the present writer is Librarian.

At about 2500 r.p.m., as much oil is by-passed through the cooler as the amount delivered to the main gallery and at higher engine speeds the flow through the cooler is appreciably greater.

Approximately eighty-five percent of the iron mined in the United States in recent decades has come from the ore ranges adjoining the upper Lakes, and most of all from the fabulous Mesabi Range, some fifty miles northwest of Duluth, now steam-shovelled deep in what was recently a frontier wilderness of snow, lakes and northern forests, […]

We give a sufficient condition for a sequence of normal subgroups of a free group to have the property that both, their growths tend to the upper bound and their cogrowths tend to the lower bound.