 But Marston was dissatisfied with the pedals on his machines, which he bought in.In 1890 he dispatched his son Charles to the US on a selling trip, but included in his instructions that Charles must discuss pedal engineering with Pratt and Whitney in Hartford, Connecticut and come back with a high-class pedal and the machinery for making it.Charles said that the Villiers Engineering Co. was "the ultimate fruit" of his trip to the US, being impressed by the production system and the labour saving devices.