The only panel of Wilhelm Heinrich's “Five Millennia of Maritime History” on public display in the United States is at the American Merchant Marine Museum, U.S. Merchant Marine Academy, Kings Point, NY. Wilhelm Heinrich made only 15 panels and a few extras.
Wilhelm Heinrich's Five Millennia of Maritime History https://photos.app.goo.gl/Zy5PD9CkiTWHF3Lv1
Heinrich Model Repairs - July 2008 https://photos.app.goo.gl/fH6FL7wwHXjooc15A
Syllabus for "Schiffe in fünf Jahrhunderten" by Wilhelm Heinrich -1993. https://photos.app.goo.gl/nDstepM6LSaf9Cek7