![](images/clocks/series12/12_21/12.21c_med.jpg)
![](images/clocks/series12/12_21/12.21a_med.jpg)
![](images/clocks/series12/12_21/12.21b_med.jpg)
Clock 12.21, made to commission in 2013.
Walnut frame and wheels; Small turned parts including pulleys are Boxwood.
The weight and pendulum bob are Walnut with lead cores; the hands are Cherry.
Other materials employed include Brass, Steel, Nylon, PTFE, Carbon Fibre and Glass.
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