Snapshots of the Past

Section and plan of a revolving catoptric lighthouse light – Antique Print

Section and plan of a revolving catoptric lighthouse light — historic image
Section and plan of a revolving catoptric lighthouse light. Historic image from the Work & Industry collection.

(Each image is professionally and digitally cleaned of artifacts such as color bars and extra borders prior to printing.)

Description

Few images capture their era like this historic image of Section and plan of a revolving catoptric lighthouse light. It comes from the Snapshots of the Past collection, curated over 25 years for its historical value.

The framed print arrives ready to hang; the unframed option suits custom framing. It brings character to any room and makes a memorable gift. Free shipping in the lower 48 states. Since 2001, Snapshots of the Past has shipped historic prints to tens of thousands of customers around the world.

Section and plan of a revolving catoptric lighthouse light

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Lighthouse optics like this one, a section and plan of a revolving catoptric light, show how keepers' lamps were engineered to throw a beam far out to sea. "Catoptric" refers to systems that use mirrors, typically a ring of curved reflectors set around a lamp, which were the standard method for lighthouses in the 19th century before refracting lenses became dominant. Turning the mirror assembly on a clockwork mechanism produced the flashing or revolving signal that sailors learned to tell apart from neighboring lights. Drawings like this one were used by engineers and lamp makers to plan construction and to explain how the parts fit together.

Original scan767 × 2,004 px · prints to 3 × 7 in at 300 dpi
Reference09389u

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Snapshots of the Past helps heritage brands, museums, historians and storytellers tell stories with history: historic prints, image licensing and historical storytelling drawn from more than 25 years of research and curation.

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