The General Great Art

This book cost me 2 florins original: "2 f."; "f." likely stands for florins, a common currency in 18th-century Spain and its territories
Master Juan original: "Juã"; the tilde over the "a" is a traditional abbreviation used to denote the letter "n" Antonio Ferrer, resident original: "V.º", abbreviation for Vecino—a legal status designating a head of household with specific rights and duties in a community of L. The "L." likely refers to a specific municipality, possibly Llucmajor or another town associated with the study of Ramon Llull
The mark original: "Señ.ª", likely "Seña," meaning a sign, signature, or mark of ownership of Ferrer. Year 1741.