Description

Libro de plata reduzida (Book on the conversion of silver) was published in Lima, Peru, in 1607. This work, by a Spanish-born accountant called Francisco Juan Garreguilla, is a manual for silver merchants, a conversion tool that enabled them to determine the price of a piece of silver by its purity and weight. The first printing press in South America was established in Lima by Antonio Ricardo (circa 1540−1606), an Italian who had worked for a time as a printer with the Jesuits in Mexico City. This book is ...