In 1872 Hiram Codd introduced a design featuring a glass marble to keep it airtight. The Codd-neck bottle, as it was called, enclosed a marble and a rubber washer/gasket in the neck. The pressure ...

It's nearly impossible to reach beyond the small mouthpiece and into the depths of the base or under the neck. As a result, your water bottle is left half clean and susceptible to becoming a ...