Collection consists of material documenting early telephone answering devices.
Collection is arranged into one series.
Biographical / Historical:
The first digital telephone answering device was invented by Kazuo Hashimoto in mid-1983.
Immediate source of acquisition unknown.
Collection is open for research and access on site by appointment. Unprotected photographs must be handled with gloves.
Collection items available for reproduction, but the Archives Center makes no guarantees concerning copyright restrictions. Other intellectual property rights may apply. Archives Center cost-recovery and use fees may apply when requesting reproductions.