Modified versions of Hewlett-Packard’s 200A oscillator for specific applications went into production almost simultaneously with the 200A itself. Perhaps the most famous modification was the 200B, a c ...

Hewlett-Packard’s first magazine ad appeared in the November 1939 issue of Electronics, showcasing the Model 200B audio oscillator. This product would notably be used by Walt Disney Studios to test so ...

While Bill and Dave were preparing to start their own company, Bill wrote to Dave about a property on Addison Avenue in Palo Alto, California, that could serve as a residence and a workspace. The Addi ...

Part of the garage’s restoration process included outfitting an original workbench, complete with 200A and 200B oscillators.

The Addison Avenue garage proved to be a successful space for Dave Packard and Bill Hewlett to develop technology. Their 200A audio oscillators and 200B oscillators found a home on the workbench.

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Bill and Dave assembled Hewlett-Packard’s first oscillators themselves. By the mid-twentieth century the company had thousands of employees, including this woman, who assembled one of the company’s up ...

The 205A, seen here being tested by Dave Packard, was higher power than the company’s original 200A oscillator. With the demand for radio equipment soon to come from World War II, it was perhaps Hewle ...

Hewlett-Packard filed for its first product patent — on Bill Hewlett’s oscillator model — in 1939. It was granted on January 6, 1942.

Even as Hewlett-Packard grew to be a global operation and a world-renowned leader in R&D, the company remembered its roots. This ashtray from Hewlett-Packard’s first boardroom featured a diagram of th ...