Sentence 1: He was also familiar with the 'abbreviated construction ' as described by Leonardo da Vinci and the geometrical construction of shadows , a technique of Alberti .
Sentence 2: He was also familiar with the `` shortened construction '' and the geometrical construction of shadows described by Alberti , a technique of Leonardo da Vinci .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?