Altimeter Study
A study by the Naval Research Laboratory published in January 1965 found that, of four different designs of pilot altimeters, the 3p design was the one most prone to misreading by pilots. The study revealed that the 3p design was misread almost eight times more often than the best-designed of the four altimeters tested. It was also noted that it took the pilots considerably longer to decipher the correct reading of the 3p than with the other altimeters.
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“The study of tools as well as of books should have a place in the public schools. Tools, machinery, and the implements of the farm should be made familiar to every boy, and suitable industrial education should be furnished for every girl.”
—Rutherford Birchard Hayes (1822–1893)