A Complete Study in Theory and Practice of the Lever, Cylinder and Chronometer Escapements, Together with a Brief Account of the Origin and Evolution of the Escapement in Horology.
Descripción: Drawing and construction essay
Deskripsi lengkap
ScrollsawingDescripción completa
first pocket watch
Gear ClockFull description
Magic Trick
Descripción: Syncopated Clock
Relog de papel y funcional realizado mediante la tecnica de PapercraftFull description
Descripción: free disney printable for disney lovers of all ages!
