410 billboard blinker vs, 2307 MPC remake. Advantage: postwar 410. The original version uses the bi-metallic strip to cause the blinking effect. All the reissues use a blinker bulb. To blink the voltage needs to be high enough for the internal flasher in the bulb to work, making it too bright, and it doesn't blink steadily, sometimes flickering and the effect is irritating and harsh. The 410 flashing is more steady and softer.
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