Complex sentence: The fish curers of Cellardyke salted and smoked cod and herring from Anstruther as well as their own fish, sending some to London, and some as far as the West Indies.
Split into simpler sentences: The fish curers of Cellardyke salted and smoked cod and herring from Anstruther as well as their own fish. Some was sent to London, and some as far as the West Indies.