Charles Frodsham & Co: Independently Driven
Nine years ago, in a piece in the BHI’s Horological Journal, Derek Pratt FBHI set out a history of double-wheel escapements. The article encapsulated many...
Nine years ago, in a piece in the BHI’s Horological Journal, Derek Pratt FBHI set out a history of double-wheel escapements. The article encapsulated many...