Acrylic domes Acrylic domes were developed to replace glass, and high-strength plastics replaced metal castings. These new materials helped to create compasses that were stronger and lighter. Carl Tortola2019-01-31T12:10:11-05:00January 31st, 2019| Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail