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this post was submitted on 20 Jul 2024
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Historical Artifacts
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Just a community for everyone to share artifacts, reconstructions, or replicas for the historically-inclined to admire!
Generally, an artifact should be 100+ years old, but this is a flexible requirement if you find something rare and suitably linked to an era of history, not a strict rule. Anything over 100 is fair game regardless of rarity.
Generally speaking, ruins should go to [email protected]
Illustrations of the past should go to [email protected]
Photos of the past should go to [email protected]
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From Wikipedia: Link The Argand lamp had a sleeve-shaped wick mounted so that air can pass both through the center of the wick and also around the outside of the wick before being drawn into a cylindrical chimney which steadies the flame and improves the flow of air. Early models used ground glass which was sometimes tinted around the wick.
An Argand lamp used whale oil, seal oil, colza, olive oil[2] or other vegetable oil as fuel which was supplied by a gravity feed from a reservoir mounted above the burner.
A disadvantage of the original Argand arrangement was that the oil reservoir needed to be above the level of the burner because the heavy, sticky vegetable oil would not rise far up the wick. This made the lamps top heavy and cast a shadow in one direction away from the lamp's flame. The Carcel lamp of 1800, which used a clockwork pump to allow the reservoir to sit beneath the burner, and Franchot's spring-driven Moderator lamp of 1836 avoided these problems.
The same principle was also used for cooking and boiling water due to its 'affording much the strongest heat without smoke'.[3]