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Old 04-16-2019, 12:04 AM   #1
ljqcn101
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Default Historical 2x3 bearing only method in 1941

Dunno if anyone noticed this but in 1941 US Navy Maneuvering Board Manual, there's a bearing only method in case XI called "TO DETERMINE COURSE, SPEED, AND RELATIVE POSITION OF A TARGET BY BEARINGS ALONE".

(https://ia800203.us.archive.org/22/i...oard00unit.pdf)




And also the same method located in 2001 Maneuvering Board Manual, Chapter 6, example 25. (https://www.sliderulemuseum.com/Manu...oardManual.pdf)




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Old 04-16-2019, 12:06 AM   #2
Elphaba
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Great find! Perfect compliment to my existing Mobo thread on here too.

Thanks for the links - more to read now!
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