and the scheme will be converted into the scheme expressed in fig. 3.
In the third quarter of a turn, the dial A 1 , fig. 3, will remain unmoved, since 0 is at the
and the scheme will be converted into the scheme expressed in fig. 3.
In the third quarter of a turn, the dial A 1 , fig. 3, will remain unmoved, since 0 is at the