This improved water levels for the millers, but again caused problems for navigation, with bargees complaining that the gates could not be opened at neap tides.
In addition, house-agents, pawnbrokers, cashiers, notaries public and secretaries, landlords, millers, doctors, barbers, pharmacists and booksellers enter the stage.
Having kept the same primitive form throughout their 400 year existence, the windmills were probably built and maintained by island craftsmen and millers.