A wire <a href="https://en.wikipedia.org/wiki/antenna" class="extiw" title="en:antenna">antenna</a> at a  <a href="https://en.wikipedia.org/wiki/amateur_radio" class="extiw" title="en:amateur radio">amateur radio</a> station in 1922 in Oklahoma City, Oklahoma, USA,  built by Leroy Moffat, Jr, 5HK.  It is a type called an "inverted-L" cage aerial, 105 ft long and 93 ft high.  The conductor is made of a "cage" of six wires, 12 ft. in diameter, held apart with wooden spacers.   The vertical part at the far end functions as the radiator, while the horizontal part functions as a capacitive "top-load", increasing the current in the antenna.  The "cage" construction increases it's capacitance to ground, and decreases the resistance. There is a <a href="https://en.wikipedia.org/wiki/counterpoise" class="extiw" title="en:counterpoise">counterpoise</a> under the antenna consisting of a fan-shaped network of wires suspended a foot above the ground in the back yard.   It is driven by a 1 kW rotary <a href="https://en.wikipedia.org/wiki/spark-gap_transmitter" class="extiw" title="en:spark-gap transmitter">spark-gap transmitter</a>.  Moffat has worked stations all over the US with this equipment.
Leroy Moffat, Jr.
1922-05
Retrieved January 28, 2014 from <a rel="nofollow" class="external text" href="https://books.google.com/books?id=1NQ1AQAAMAAJ&amp;pg=RA3-PA61"><i>QST</i>, American Radio Relay League, Inc., Hartford, Connecticut, Vol. 5, No. 10, May, 1922, p. 61</a>  on Google Books