Nothing on the rig measures speed

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Chapters

1. 1One photograph, 56,894 pixels wide0:00
2. 2The scanner holds still and the railway does the moving0:10
3. 3The width of this picture is time0:23
4. 4Nothing on the rig measures speed0:38
5. 5Parallax means one scale cannot fit the whole frame1:14
6. 6The hull lettering is sharp inside the 56,894-pixel photograph1:32
7. 7Six finished pictures, and the speed problem is still open1:42