"The Torsion Times" is the official quarterly journal of The International 400-Day Clock Chapter #168. This is the ONLY publication dedicated to the torsion pendulum clock, and includes information on all types from the earliest Crane to the latest Atmos and everything in between. We cover every maker and duration of torsion clock including historical and dating info, how-to-do-it repair, restoration and conservation, technical tips, values at auction, and other items of interest. A FREE Mart is available to Chapter 168 members.