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| | TrainHorns.net - Tyfon |
 | | The horns were very simple in that the only parts were the horn itself, a screw-in back cap, and either a single or multi-leaf diaphragm, making the horns consist of very few parts. |
 | | In fact, on the Tyfons that I've seen, the pin used to keep the bell from unscrewing from the base is welded in place, making the bell and base a permanent fixture. |
 | | Instead, the letters "HH", "H", "M", "L", and "LL" would be placed in front of the diaphragm material letter, indicating extra high, high, medium, low, and extra low pitch, respectively. |
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