Fellow Shadow Watchers,
There is a dial in the London
Science Museum which also appears as Fig. 99 page 192 of 'sundials' by
Cousins.
It is a 'cylindrical equatorial' type and is described as 'Ferguson's
Solar Chronometer'. What do we know about Ferguson?Tony Moss --------------------------------------------------- https://lists.uni-koeln.de/mailman/listinfo/sundial
