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[188] [269] [397] [398] [399] The triangular configuration is often called delta-gun, based on its relation to the shape of the Greek letter delta (Δ). The arrangement of the phosphors is the same as that of the electron guns. [188] [400] A grille or mask absorbs the electrons that would otherwise hit the wrong phosphor. [401]
The Navion was originally designed at the end of World War II by North American Aviation as the NA-143 (but produced under the NA-145 designation). [5] North American built 1,109 Navions in 1946–47, initially selling them at a below cost US$3,995, which later increased to $6,100, [6] although the actual cost of construction was $9,000. [7]
Capacitors manufactured during and before World War II sometimes suffered from contamination during manual manufacturing, and in particular chlorine salts were often the reason for corrosive processes leading to high leakage currents. Chlorine acts on aluminum as a catalyst for the formation of unstable oxide without becoming chemically bound ...
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