galilean telescope(n = noun.artifact) - a type of refracting telescope that is no longer used in astronomy;
is a kind of refracting telescope

astronomical telescope, cassegrainian telescope, coude telescope, galilean, galilean satellite, gregorian telescope, herschelian telescope, hubble space telescope, hubble telescope, maksutov telescope, newtonian telescope, optical telescope, radio telescope, reflecting telescope, refracting telescope, schmidt telescope, solar telescope, telescope, telescope bag, telescope sight, water telescope