Map 20 – Wheeler’s Surprise – Material Displacement in 1946

To Search, use the Magnifying Glass Icon in the upper right corner.

Each map has zoom buttons in the upper left of the screen or use the mouse wheel.

Click on Popup Links along the right edge of the screen for Bob's Video Commentary and Tyler's Take.

Relevant Text will also have a popup link when available.

Video and PDF Reader both have inner controls.

To close any popup, click anywhere else on the screen.

Note: Maps 47-55 have no video commentary. Maps 53-55 have no summary.