The pound lock was the fourth downstream in the series of locks built after the 1770 navigation act.

This was the highest upstream of the eight locks constructed after the navigation act of 1770.

The Navigation Acts caused a spark to start the American Revolution.

Irish trade was stifled by the Navigation Acts which limited Irish exports.

Opposing efforts to reduce the national army, supporting a bill abolishing imprisonment of debtors, and introducing the Navigation Act of 1818.

They were a discredit to a country in which trade was, moreover, still encumbered by the Navigation Acts which ensured preference for British shipping.

The English Navigation Acts prevented the Scots engaging in what would have been lucrative trading with England's colonies.

The Act was the first navigation act to include a clause which limited dividends, insisting that tolls should be reduced if the dividend exceeded ten per cent.

At a later date Caceres presented another plan to Cromwell, which provided for the protection of the Barbados trade and for improving the administration of the navigation act.

In particular, Cromwell took no steps to enforce the 1651 Navigation Act against the colony's merchants, and also overlooked complaints about the colony's repressive tactics against religious nonconformists.

The Treaty of Westminster was signed in April 1654 ending the war and obligated Holland to respect the Navigation Act as well as compensate England for the war.

Technically private non-registered vessels were liable to a substantial fine if they did not fly the British Red Ensign as they were not formally covered by the Navigation Act.

In 1664 The River Avon Navigation act was passed to again enable vessels to travel as far as Salisbury and reestablish it as a port as in Medieval times.

These Navigation Acts required that goods from the colonies be shipped on boats that were owned by England, and even that some ships be routed through Britain regardless of the final destination.

He received orders to go out to the West Indies, there to protect British interests in the Caribbean and to enforce the Navigation Acts which now applied to American ships trading with British colonies.

He wrote also on naval power, on encouragement of arts and manufactures, on the cost, trade, and manufacture of cotton, on the navigation act, and on arts and manufactures in the United States.

In New South Wales a District Court may be authorised to sit as a Court of Marine Inquiry to hear and determine inquiries, appeals, and references under the New South Wales Navigation Act 1901.

Although some piracy would always remain until the mid-18th century, the path to wealth in the Caribbean in the future lay through peaceful trade, the growing of tobacco, rice and sugar and smuggling to avoid the British Navigation Acts and Spanish mercantilist laws.

The English Parliament passed the first of its own mercantilist Navigation Acts (1651) and the Staple Act (1663) that required that English colonial goods be carried only in English ships and legislated limits on trade between the English colonies and foreigners.

To try to bring the recalcitrant colony to heel, the Commonwealth Parliament passed an act on 3 October 1650 which prohibited trade between England and the island, and because the island also traded with the Netherlands, further navigation acts were passed prohibiting any but English vessels trading with Dutch colonies.

With Cromwell fully in power, the Parliament passed the Navigation Act of 1651, requiring all goods destined to English ports to be transported by English ships, which severed part of the Dutch ability to trade, since they were cut off from all of England's colonies in the Americas and elsewhere.

The Navigation Acts were complicated and applying the regulations would have been harder if there had been a great deal of trade between the colonies, but in the seventeenth century most of the trade of each colony on the American mainland or in the West Indies was with England rather than with other colonies.