While we cover Walton Lighthouse as our history buoy this time, the meat of this episode covers mercury floats! How did they work? Why were they implemented? Did they really have a negative effect on keepers? Listen in as we answer all these questions and more!

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References:

1. Santa Cruz Breakwater | Lighthouse Friends
2. Santa Cruz Breakwater Light | Wikipedia
3. Lights with Mercury Floats | USLHS
4. Lens Rotation | USLHS
5. Mercury Float Rotation by James Woodward
6. Mercury + Aluminum Reaction | Reddit