Lumiere Sound Diaphragm

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While taking a breather in Jerome, Arizona, I bumped into these retronauts jammin’ away in public to 78s spun on this mechanical marvel patented by Frenchman Louis Lumiere. I’m quite fascinated by the technology using a vaned metal baffle to radiate sound.

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I was amazed at the amount of volume and fidelity this ancient sound reproducer kicked out.

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Here’s a few more schematics from the original patent.

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Good show!

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