How to make ice?


If I recall correctly there is a mechanical process employed in this film that doesn't require electricity to create ice. What is it? How is it done?

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You need to run a pump on a compressor to make ice. You can run a compressor with electricity but you can also run it with any other source of power, from steam to a waterwheel. I don't remember what they used in the movie.

"Smokey, this is not 'Nam, this is bowling. There are rules. "
-Walter Sobchak

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IN the movie he said he used a reaction between two different salts.

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