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.

Shipping list no.: 93-0162-P.

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

Includes bibliographical references (76-77)

Analysis and design of the log-periodic dipole antenna.

At head of title: Antenna Laboratory.

Log periodic dipole arrays /

"Contract No. AF33(616)-6079 Project No. 9-(13-6278) Task 40572. Sponsored by: Wright Air Development Center"