The Codd-neck Bottle 

or Pig Bottle • 9 in

Invented by: Hirram Codd of Camberwell, London 1872

Lawrance Beccles in raised lettering - ?Ginger Beer?

The bottle was designed with thick glass to withstand internal pressure, with a chamber to enclose a marble and a rubber washer in the neck. The bottles are filled upside down, and pressure from the gas in the bottle forced the marble against the washer, sealing in the fizz. The pinched shape provides a chamber to hold the marble. This prevents the marble from blocking the neck. Twist the bottle around and the marble will reseal the top. Ingenious!

Since children broke the bottles to get to the marbles, vintage bottles are relatively scarce. 

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