Learn about two historic lighthouses that illustrate how technological advancements contributed to maritime safety and about the isolated, often routine, but sometimes heroic life led by Kate Walker, keeper at Robbins Reef. Objective 1. To explain how and why the federal government took an active role in protecting mariners by establishing lighthouses; 2. To describe how technological and building advancements affected lighthouses; 3. To compare and contrast the purpose, location, design, and technology of Navesink Lighthouse and Robbins Reef Lighthouse; 4. To list lighthouse keepers’ duties a Duration: 90 Minutes.