エナジャイザー
1 2 Patent number: 617592 by David Misell
↑ History of Batteries (and other things)
↑ Flishlight Museum
1 2 3 4 MANUFACTURER'S HISTORIES
↑ International Directory of Company Histories, Vol. 32. St. James Press, 2000 (history company through 2000 via fundinguniverse.com)
↑ “Assault and battery: The fall of the Ever Ready empire: a classic tale of British decline by David Bowen - Business, News”. London: The Independent. (1993年6月27日). https://www.independent.co.uk/news/business/assault-and-battery-the-fall-of-the-ever-ready-empire-a-classic-tale-of-british-decline-by-david-bowen-1494225.html 2010年2月20日閲覧。
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