Photo Record
Images
Metadata
Title |
Audio Oscillator from HP |
Catalog Number |
2023.39.3 |
Object Name |
Print, Photographic |
Description |
View of an Audio Oscillator. The front, side, and top of the machine is visible with three different dials. Each dial has a metal ring with it that includes numbers for measurements. There is a sign on the front of the machine that reads, "Audio Oscillator Model 200-A Hewlett-Packard Co. Palo Alto Calif. Presented to Stanford Communication Lab." Caption from "How It All Began", "The Model 200A was the world’s first low-cost, practical, R-C tuned audio oscillator with its output level controlled by a feedback loop consisting of a simple incandescent light bulb." |
Credit line |
Gift of Kenneth Jessen |
Collection |
Permanent Collection |
Grant Funding |
Supported in part by an award from the Colorado Historical Records Advisory Board, through funding from the National Historical Publications and Records Commission (NHPRC), National Archives Records Administration. |
Subjects |
Equipment Oscillators, Electric |