<div class="description">
Balachowski, Joseph D, transmitter; Greenblat, Leah Cheryl, delineator; Monnig, Lisa, delineator</div>
Documentation compiled after 1933
<a rel="nofollow" class="external free" href="https://www.loc.gov/pictures/item/wi0238.sheet.00001a">https://www.loc.gov/pictures/item/wi0238.sheet.00001a</a>