Bill Hewlett and Dave Packard began their work in Dave’s garage on Addison Avenue in Palo Alto in 1939 — it was the beginnings of what Silicon Valley has grown into today.

HP went public in 1957 after growing rapidly and headquartered the business at 1501 Page Mill Road in Palo Alto, California.

Today, that location is home to HP Labs, but the historical significance of the symbolic founders of Silicon Valley has been so well preserved it looks just as it did in 1960.

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Hewlett-Packard's history frozen in time – CNET