Industry and Manufacturing, Published 25 May 2026
The Marble in the Bottle: A Brisbane Icon
Ever found an old bottle with a marble trapped in the neck? It’s not a manufacturing flaw - it’s a Codd-neck bottle, one of the cleverest pieces of 19th-century “fizzy drinks technology.”
The Engineering
Patented in 1872 by Hiram Codd, this design solved a major problem of the era: keeping fizzy drinks sealed before modern caps existed.
Codd’s idea was simple but brilliant. The carbonation inside the bottle forced a glass marble up against a rubber washer in the neck, creating a tight seal. To open it, you pushed the marble down - usually with a small wooden or metal plunger - into a chamber where it stayed while you drank.
The “Alley” Hunters
The design worked perfectly - perhaps too well. The built-in marble became a prize.
Children across Australia often smashed these bottles to retrieve the marble, commonly called an “alley” or “alleys” (a general term for marbles). This widespread habit is one reason intact Codd bottles are relatively scarce today.
The Brisbane Connection: Owen Gardner & Sons
Brisbane had its own aerated-water powerhouse in Owen Gardner & Sons, established in 1878. The company became one of the city’s most prominent soft-drink producers.
Operating from Edward Street and later expanding operations in the central city area, Gardner bottles - often embossed with the company name - are still regularly found in backyard digs and creek beds around Brisbane.
The End of an Era
By the early 1900s, the Codd system was fading as the cheaper, simpler crown cork (invented in 1892) took over. Codd bottles lingered into the 1910s and 1920s, but were steadily phased out. Today, a Gardner Codd bottle is a prized collector’s relic - a heavy, green-tinged piece of Brisbane’s fizzy past.
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