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[So we think that, by process of elimination, ]
[that this particular lamp, which is the one we lit up outside and in the lamp here, ]
[is the standard 40-watt Mazda lamp, ]
[which would have been in the group of five that they put in there.]
[It was just the plain-Jane lamp that was sold in the market. ]
[The rest of the lamps were engineering samples with specific purpose.]
[So we think it's a 40-watt Mazda lamp, which was just coming into popularity]
[with a Tungsten filament in contrast to carbon--metallized carbon filaments. ]