Expansion of ship trade in Europe and ever increasing will of sailing in open seasbrought the need of having reliable andprecise time measuring devices. Muchimproved sundial devices that weredesigned in Persia became the integral partof every ship who wanted to sail beyond thesight of the coast. From 15th century andonward, dependable and precise sundialsbecame very popular type of clock not onlyat sea, but also in industry, churches, cooking and more.By 16th century, mechanical devices startedfinding their way out of industriallaboratories, and time measuring devicesbased on pendulums and springs beganappearing across the Europe, enabling anew era of dependable and precise timemeasuring. As centuries went on theirdesigns became more advanced, theirstructure smaller, and by the 19th centurymechanical pocket, table and wall clocksbecame commonplace all across the world.Today, when the digital devices can befound in every corner of our civilization, measuring of time has finally becomeavailable to everyone. нужно написать конспект ​