Two 1939 naval plotting instruments in mint condition and still bearing notes scribbled in German cost him dlrs 550.
2.
"Mind you, I'm not one of these conspiracy nuts, " the 36-year-old bachelor explained the other day, sitting on a living-room rug cluttered with so many nautical charts and plotting instruments it resembled a ship's navigation room.
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The "'Post Plotting Instrument "', or simply "'Post Instrument "', was the standard optical sighting system used by the UK's Royal Observer Corps ( ROC ) to determine the location of aircraft . It was used during the period from the mid-1930s into the early 1950s, and was one of the main sources of daytime tracking information during World War II.
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