The timekeeper (or timekeepers) have varying responsibilities depending on the equipment available. Oscillating timekeepers are used in all modern timepieces. Although they were successful commercially, torsion clocks remained poor timekeepers. In those days time books were held by company clerks or foremen or specialized timekeepers. Oscillating timekeepers are used in every modern clock. He started an independent watchmaking business in 2002, building a limited number of handmade timekeepers. They can be sub-divided into four main groups&colon; field judges, track judges, timekeepers, and starters. Paul Daniels and Geoff Capes were timekeepers. Arnold proposed manufacture of these timekeepers at 60 guineas each. These timekeepers are distinguished by its functional, schematic and minimalist aesthetic. He spent the next 45 years perfecting the design of his timekeepers. Additional timekeepers can be used to track penalty times in highly contested matches. In most competitions there will be one or more timekeepers per lane. In the modern world, timekeepers can show time, date and weekday. There are a number of references to Psalms 91 in the material about the Timekeepers.