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The advantages Carcel claimed for his lamp in his 1800 patent in Paris were that the movement operated unattended, the oil could be used to the last drop, the lamp would stay lit for sixteen hours continuously without refilling, and it provided illumination for several persons at the same time with a
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which meant that the oil reservoir was located above the burner, casting a shadow and making the lamp top heavy. Carcel designed a lamp with the oil reservoir under the burner, in the body of the lamp. To keep the oil moving up to the burner, Carcel housed a clockwork mechanism in the lamp base that
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They were complex devices however, and were expensive and prone to problems in the mechanism. They were most popular in wealthier
European cities. Their unpopularity was partially due to the necessity of having to return them to the (mostly European) manufacturers for repair. In 1829 the simpler
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The pump mechanism used to pump lamp oil to the burner in the Carcel lamp of 1800. The pump was immersed in the lamp oil reservoir. The piston was powered by a clockwork motor, which is not shown.
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Another innovative feature was that fuel was pumped into the wick tubes at a greater volume than was necessary for burning so that it overflowed the top of the wicks, thus cooling the burner.
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An ornate carcel lamp of the nineteenth century. A clockwork motor in the base pumps a heavy vegetable oil from the vase like reservoir to the burner at the top.
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The French physical standard Carcel lamp consisted of a cylindrical Argand burner, and gave the standard brightness when 42 grams of
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was invented, which dispensed with clockwork and used only a weighted piston to move the oil, and this eventually superseded them.
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was an efficient lighting device used in the nineteenth century for domestic purposes and in France as the standard measure for
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Plescia, Vincent P. (Dec 2005). "Successful innovations in domestic oil lighting, 1784-1859". Magazine
Antiques.
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drove a small pump submerged in the oil tank. The winding key was located at the bottom of the lamp base.
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58:- oils then available were thick and would not travel far up a wick. The Argand lamps used a
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199:. Vol. 21 (11th ed.). Cambridge University Press. pp. 525–531.
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were consumed per hour. The supply and draught were regulated by
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50:(1750–1818) to overcome the disadvantages of the
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120:"Lamp Glossary of Terms | US Lighthouse Society"
46:The lamp was invented by the French watchmaker
574:International Lighthouse and Lightship Weekend
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54:lamps then in use. The vegetable - mostly
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16:Oil lamp with a clockwork pump mechanism
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99:List of obsolete units of measurement
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118:United States Lighthouse Society.
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126:. p. Carcel. Archived from
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665:Units of luminous intensity
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48:Bernard Guillaume Carcel
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388:Automatic lamp changer
249:History of lighthouses
161:Cite journal requires
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428:Light characteristic
327:Navigational purpose
181:Turner, Herbert Hall
655:Lighthouse fixtures
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186:"Photometry"
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413:Fresnel lens
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275:Construction
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154:cite journal
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132:. Retrieved
128:the original
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60:gravity feed
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41:illumination
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629:WikiProject
442:Maintenance
403:Dalén light
398:Carcel lamp
383:Argand lamp
238:Lighthouses
52:Argand-type
37:Carcel lamp
660:Photometry
644:Categories
619:Wiktionary
519:Categories
485:Antarctica
454:Light dues
423:Lewis lamp
378:Aerobeacon
307:Screw-pile
134:2017-06-02
105:References
473:Locations
124:uslhs.org
87:clockwork
83:colza oil
650:Oil lamp
599:Category
371:Fixtures
344:Sea mark
319:(acting)
297:Integral
183:(1911).
93:See also
609:Commons
505:Oceania
449:Keepers
408:Foghorn
334:Daymark
287:Caisson
259:Museums
193:(ed.).
550:Global
495:Europe
480:Africa
464:Tender
433:VRB-25
317:Vessel
282:Aerial
268:Types
189:. In
56:colza
490:Asia
302:Pile
292:Crib
167:help
35:The
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156:}}
152:{{
122:.
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230:e
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165:(
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