Category:Semiautomatic keys

**Vibroplex**
	US manufacturer of telegraph keys
	Upload media
	Wikipedia
Instance of	business; manufacturing (telegraph key);
Headquarters location	Knoxville;
Inception	1915;
	official website
Authority file
	Q3556830;
	Reasonator; Scholia; Wikidocumentaries; PetScan; statistics; WikiMap; Locator tool; KML file; Search depicted;

Subcategories

This category has only the following subcategory.

The following 3 files are in this category, out of 3 total.