A black and white photograph of part of the TWERLE balloon package, the antenna, transmitter, and stable oscillator, with two men guiding it. (No photo caption or identifying notes are present).
Photograph, antenna, transmitter, and stable oscillator
image
Balloons, sounding
Tropical meteorology
TWERLE Records
https://aspace.archives.ucar.edu/repositories/2/resources/21
Copyright University Corporation for Atmospheric Research (UCAR). This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
http://n2t.net/ark:/85065/d7x0659w