The Traeger pedal wireless reached cattle runs 200 miles from the nearest town, turning isolation into a single radio call.
A single physician in Cloncurry could diagnose, advise, and dispatch across 1.3 million square miles of outback from his desk.
Bicycle parts, fencing wire, and a hand-wound generator — Traeger's first prototype worked because it had no other option.
By 1935, forty-five bases linked by shortwave formed Australia's first continent-wide medical relay system.