Complex sentence: During the trials of the first launch, "The Doil" its speed caused a wash on banks of the river; for this Mr. Henry House was summoned to appear in court and fined 10 pounds and costs.
Split into simpler sentences: During the trials of the first launch, the "Doil", its speed caused a wake to wash up on banks of the river. For this Henry House was summoned to appear in court and fined 10 pounds and costs.