| refractor |
Telescope with a primary lens that bends the incoming light in to a cone.
Ãâó: www.thebeerchair.com/html%20documents/astronomy%20...
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| refractor |
A device used to redirect the light output from a source, primarily by bending the waves of light.
Ãâó: www.archlighting.com/architecturallighting/al/glos...
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| refractor |
A telescope whose optics consist entirely of lenses.
Ãâó: www.aoe.com.au/astronomical_glossary.html
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| refractory |
Hard, heat resistant substances such as fire clay, bricks or blocks. The refractory protects a furnace shell from abrasion, heat and oxidation.
Ãâó: www.p2pays.org/ref/01/text/00778/glossary.htm
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| refractory |
A high temperature masonry (firebrick) used to line combustion chambers. It acts as a heat sink to reflect and re-radiate heat back to the fuel bed to support pyrolysis and combustion.
Ãâó: www.canren.gc.ca/prod_serv/index.asp
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