JF Ptak Science Books Quick Post (A Post in the series of Blank, Empty and Missing Things.)
I was grazing a large bound volume of the Illustrirte Zeitung (Leipzig) and came across this photo in the issue for 10 February 1938--it was sandwiched between two stories on Austria's attraction to National Socialism. The German invasion of Austria would begin on 12 March, just a month away, and end a day later. Czechoslovakia would follow soon thereafter.
But what we see here is a photograph of the 12-cylinder Mercedes W125 which was driven by Rudolf Caracciola in 1937 to a world speed record of 268.9 mph over a mile-long stretch of highway from a flying start. Most of the images you see of this automobile all through the internet are like those in the Mercedes-Benz Museum (which may or may not by law be able to show photographs of the racer with the symbol), and are all pretty much the same--they almost all are missing one detail, one symbol that the car carried on its record-breaking run: