- 19-inch Radius Mahogany Hadley's Quadrant or ...
- Early Two-Day Marine Chronometer by W.L. Crai...
- Two-Day Marine Chronometer by E. Dent & Co., ...
- Cased English Sextant by Blair, c. 1910...
- Warsaw Pact Frogman Sabotage Diver System, 19...
- Early Two-Day Marine Chronometer "A de Casser...
- Early Hadley’s Reflecting Quadrant (Octant), ...