Perhaps they had been chewed by rats along the way. That's very, very common. All the Coke machines do have insulation inside of them as the way to keep the cooling inside of the machines.

People search the Internet and antique stores and ... of the many items in their Coca-Cola memorabilia collection recently in Junction City, such as their Coke machine, which is still in working ...

Discover the Coca-Cola collectibles that have popped off at auction, and which ones you're most likely to find at your local thrift store.

King, Charles, III, and Das Narayandas. "Coca-Cola's New Vending Machine (A): Pricing To Capture Value, or Not?" Harvard Business School Case 500-068, February 2000. (Revised December 2000.) ...

Coca-Cola is availing itself of the growing trend toward Wi-Fi use by smartphone owners with a new strategy to enable wireless connectivity through its branded vending machines. The Wi-Fi-enabled ...