Scientific papers from Department of Physics for the year 1930
Contributors: Carwile, Preston Banks, 1897-; Scott, Frederic Allen, 1903- author; Ewing, W. Maurice (William Maurice), 1906-1974; Leet, L. Don (Lewis Don), 1901-1974
Series: [Lehigh University] The Institute of Research. Circular -- no. 73. -- Science and technology -- no. 59; Circular (Lehigh University. Institute of Research) -- no. 73. -- Science and technology no. 59
Publisher: Lehigh University
Published: 1932
Place of publication: Bethlehem, Pa
Language: eng
Number of pages: 684
Subjects: Electric currents; Radio; Equipment and supplies; Seismometry
Notes: At head of title: Lehigh university publication. vol. VI, no. 3, Mar. 1932.

The first paper is reprinted from the Philosophical magazine, vol. VIII, Nov. 1929; the second, from the Review of scientific instruments, v. 1, no. 4, Apr. 1930; the third, from Transactions of the American Institute of Mining and Metallurgical Engineers. Geophysical prospecting, 1932.

Cover title.
Table of contents: title: 1. Double-valued characteristic of a direct current feed-back amplifier, by P. B. Carwile and F. A. Scott.; title: 2. Automatic neutralization of the variable grid bias in a direct current feed-back amplifier, by P. B. Carwile and F. A. Scott.; title: 3. Comparison of two methods for interpretation of seismic time-distance graphs which are smooth curves, by M. Ewing and L. D. Leet.