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A fixture even more than a star, either way an illuminant.

Lighthouse illuminants changed dramatically over time, running the gamut from whale, lard and vegetable oil to kerosene, acetylene and finally electricity.

The airy, brick-lined museum calls attention to their historic magnitude, feats of engineering and the inventors who perfected illuminants and optics.

This lovely illuminant contrivance is perhaps symbolic of that golden age.”

If the gilds forbade the carrying on of a craft by night, it was because the dim gloom of ancient illuminants meant bad work, and not because protracted toil made unhealthy workmen.