Hemlock stump. Birch log. September 25th." With notes

[From Jasper Cropsey Sketch book, 1855-1856]

Media log : a guide to film, television, and radio programs supported by the National Endowment for the Humanities, Division of Public Programs, Humanities Projects in Media.

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The coupling and mutual impedance between balanced wire-arm conical log-spiral antennas /

Includes bibliographical references (76-77)