Comment Comment by hydrox24 It seems to have originated in the US with Fire Departments:> These reports show that a dry run in the jargon of the fire service at this period [1880s–1890s] was one that didn’t involve the use of water, as opposed to a wet run that did.https://www.worldwidewords.org/qa/qa-dry1.htm parent hydrox24 9 months ago
> These reports show that a dry run in the jargon of the fire service at this period [1880s–1890s] was one that didn’t involve the use of water, as opposed to a wet run that did.
https://www.worldwidewords.org/qa/qa-dry1.htm