 Having researched Conway Stewarts previous manufacturing history and techniques Don Yendle wanted to keep true to its core values from 1905.What followed were 3 years of research into Casein and plastics including vulcanite for barrels and feeders for nibs.The company even used a Birmingham-based company who still used a 1-metre pantograph to make the miniature moulds for the pen clips in order to keep the detail in the clips.