 Shipbuilding facilities in Stockholm were adapted to achieve this, and shortly after the foundation of the company a fourth shipyard — "Djurgårdsvarvet" — with suitable capacity was built in Stockholm and in the mid-1730s the oldest shipyard in the city — "Stadens stora skeppsvarv" — was enlarged under a direction which included several of the founding members of the company.The company's whereabouts are difficult to trace due to its secretive nature, but preserved historical records unveils 26 of the company's 37 ships were built at the shipyards in Stockholm, most of them around the 1740s.The ship "Terra Nova", built in 1771 at the large "Terra Nova" shipyard just north of Stockholm, was in service until 1786, and was centuries later used as a prototype for the East Indiaman Götheborg built 1995-2003, and "Götheborg", built at the same shipyard in 1738 and lost in 1745.