The Addison Avenue Garage: Unpacking the Origins of Hewlett-Packard in Palo Alto

In a one-car garage behind a modest Palo Alto rooming house, two recent Stanford graduates launched a partnership that would become the foundational myth of Silicon Valley. This article traces the precise chronology, geography, and contested narratives of Hewlett-Packard’s earliest days, from the first audio oscillator sold to Walt Disney Studios to the landmark preservation of the garage itself.

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The Vacuum Tube and the Garage: Early Electronics Companies of Palo Alto, 1909–1960

Long before Silicon Valley became a global brand, a cluster of audacious electronics ventures took root in the orchards and boarding houses of Palo Alto. From Federal Telegraph’s pioneering radio transmissions in 1909 to Hewlett-Packard’s iconic garage and the semiconductor revolution sparked at Shockley Labs, this history reveals how Stanford University, military funding, and a culture of entrepreneurial tinkering transformed a small college town into the epicenter of the electronics age.

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Hewlett-Packard Garage: Birthplace of Silicon Valley and a Testament to Innovation

Discover the humble one-car garage at 367 Addison Avenue in Palo Alto, California, where Bill Hewlett and David Packard launched a global technology empire in 1939. This unassuming structure is revered as the birthplace of Silicon Valley, symbolizing the entrepreneurial spirit that transformed a quiet suburban street into the epicenter of the digital age. A designated California Historical Landmark and National Register site, the HP Garage remains a pilgrimage destination for tech enthusiasts and historians alike.

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