Scenes & characters of the Middle Ages /

Includes bibliographical references and index.

John L. Stoddard's lectures. illustrated and embellished with views of the world's famous places and people, being the identical discourses delivered during the past eighteen years under the title of the Stoddard lectures.

Number 2 has imprint: Boston : Balch Brothers Co. ; Chicago : Geo. L. Shuman & Co.

The benefits of oscillating disc cutting

The benefits of Oscillating Disc Cutting (ODC) over all conventional cutting techniques is that it is capable of breaking very hard rock at acceptable-to-good excavation rates with very low cutter forces. This paper outlines that the oscillating cutting action and the water jets as well as the inertial mass all serve to reduce cutter forces.