Illustration on the front of Scientific American showcasing the proposed Centennial Tower alongside the tallest structures existing at the time. If completed, the 1000 feet (304.8 meter) tall colossus would have been
General Cable 2133458H Type CMR Riser Cable Cat5e, 4PR 24AWG, Gray 680 – Maverick Industrial Sales
Amazon.com: DS18 SW-16GA-1000RB 16-Gauge 1000-Feet Speaker Wire Ultra Flex CCA Red and Black (1000 FT / 304.8 Meters) Speaker Cable for Audio Applications : Electronics