The angles gave it a dramatic sense of perspective; the unusually shaped windows and skylights sent abstract shadow lines across the white walls and wood plank floors,

The mushroom seems to have been pioneered in Detroit a few years earlier, but without illumination; the illuminated “Milwaukee-type” mushroom proved popular for a few years in the 1920s, with several firms manufacturing competing versions.

There's a history of clumsily trying to conceal infrastructure that goes way further back than cellphone towers.