Eveready Batteries (c.1924-1960)

Eveready "C" Cell Battery 

The one on the left is an antique "C" cell Eveready battery from circa 1924. 

Source: Monger's Market

"9 Lives" Eveready Battery 

The one on the right is a nine volt battery that features Eveready's retro "9-lives" logo from the mid 1950's and 1960's.

Source: Found in vintage Walkie-Talkies - Elephant's Trunk Flea Market