Reply To: Headlight reflectors

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Regarding the headlamp reflectors used on the 1929 133-143 automobiles:

The 1929 cars until around October of 1929 used a very deep reflector like the earlier cars with a McKeelite lens.These lamps used a single filament #1129 21cp bulb with a resistance dimming system.The lamps were then changed to a more shallow reflector with a twin filament #1110 21-21cp bulb with a double dip system and a Twolite lens.The reflectors should be silver plated.The reason for this change was to give a more usable low beam light.