The Two Books of Apollonius Pergaeus is a mathematical treatise that focuses on tangencies, which has been restored by Franciscus Vieta and Marinus Ghetaldus. The book was originally written by Apollonius, a Greek mathematician, in the 3rd century BC. The restoration work was done in the 16th century, and this edition was published in 1771. The book contains detailed explanations of the principles of tangencies, along with diagrams and illustrations...