Other than a humming box, that is. RCA broadcast, prior to the period in the seventies just before they went out of business, made some good looking transmitters:
The Art Deco design was favored for a number of years, especially with the AM units:
Some of these RCA transmitters are still in service as backups.
GE made the BT-25A, which was a 50 KW transmitter in Syracuse, NY for a few years. These units were very similar to the RCA BTA-50 transmitters.
Gates of Parker Gates, pre-Harris, also made some classic transmitters:
I remember the BC5P had a similar look, with more transmitter cabinets.
Fritz Bauer made a very solid AM transmitter. Good looking, too. We need more pictures of old transmitters and other hardware.