". ...first is a memoir entitled Verae et germanae virium elasticarum leges ex phaeiwmenis demonstratae, 1731... printed in the De Bononiensi scientiarum Academia Commentarii, 1747. ...[I]t marks the first attempt since Hooke to ascertain by experiment the laws which govern elastic bodies."
https://en.wikiquote.org/wiki/A_History_of_the_Theory_of_Elasticity_and_of_the_Strength_of_Materials