Alkaline Battery
Alkaline batteries owe their development to a pioneer named Lewis Urry, who was born in Canada in 1927. In 1949 a button-type alkaline cell was initially put in the market from Ray-O-Vac Co, USA. On the contrary, it is said that Urry developed the small alkaline cell in 1949 in Union Carbide Co., Eveready Battery Branch, USA.
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