Set of three books: - AA.VV, Britten`s old clocks and watches and their maker. Seventh edition. -Huggen`s legacy The Golden Age of the Pendulum clock, Editorial Fromanteel Ltd. - AA.VV., English domestic clocks, Editorial ACC Art Books. Sizes: 31 x 28 x 28 x 3 cm; 28 x 22 x 3.5 cm; 21 x 24 x 2.5 cm. Set of four books specialising in clocks. The books belong to the personal collection of Don Juan José Ontalva (Chinchón, 1930- Madrid, 2019), a famous watchmaker from Madrid, descendant of several family generations dedicated to the world of watches. During his career he achieved a high degree of precision and skill, becoming the master of other watchmakers. He is currently recognised for numerous works, including the commissioning and restoration of the Billeter astronomical clock, located in the Congress of Deputies.