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this is what I call fun reading :) https://t.co/jnAA37baih https://t.co/ilGErWIBTI
this is what I call fun reading :) https://t.co/jnAA37baih https://t.co/ilGErWIBTI
@jeffreycider I actually don't understand it... I think the deal is that the slope at every point equals the ratio of the vertical and horizontal forces within the arch? From https://t.co/k4FnDrrouC : / https://t.co/e3HFc1yG6m
@Rainmaker1973 The st louis arch was done that way as well (kinda) https://t.co/fADfVliAqD