User:Harry, Denmark/Books/The Zacuto Escapement I

Research I

 * Longitude
 * History of longitude
 * Longitude prize
 * Longitude (book)
 * Abraham Zacuto
 * Gemma Frisius
 * Italian Renaissance
 * Pope Leo X
 * Leonardo da Vinci
 * Michelangelo
 * Florence
 * Rome
 * Venice
 * Kabbalah
 * Military history of Italy during World War II
 * Italian Campaign (World War II)
 * Italian resistance movement
 * Pope Pius XII
 * Pope John XXIII
 * Pope Paul VI