Lean String Theory

Before the widespread use of computers the location of warehouses, stores, franchises were often settled by using a ‘string map’. Pins were stuck in the map at customer’s locations, and string, usually thread or fishing line, looped over them, the weight on the end of each line being proportional to that customer’s deliveries. The ends of the string were knotted together. Where the knot settled was the center of pull (not gravity).

 

 

 

 

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