Still not sure how to make that Cocktail?

What happens when Engineers have too much time on their hands.

https://homes.yahoo.com/photos/national-archives-cocktail-construction-chart-1974-1428020636-slideshow/national-archives-cocktail-construction-chart-1974-photo-1428020603799.html

https://s1.yimg.com/bt/api/res/1.2/TsSER7WkpbXsIJR_MlerfQ--/YXBwaWQ9eW5ld3M7Y2g9MjE1Nztjcj0xO2N3PTMxNDk7ZHg9MTtkeT0wO2ZpPXVsY3JvcDtoPTcwMDtpbD1wbGFuZTtxPTc1O3c9MTAyMg--/http://l.yimg.com/os/publish-images/homes/2015-04-03/76ce7b10-d997-11e4-90eb-47295b2ecaa9_Cocktail_a.jpg

Ha…very cool.