Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . lamjL LAnge invented the lam])-chimney. He addedit to the tubular wick and central air-tube of Ar-ganils lamp, and peifectcd the invention. Lamp-chimneys are usuallv of , but havebeen made of mien, metal with mica windows, hoiTi,and porcelain. Their forms are various, from thestraight cylimler of the German .students lamp to LAMP-CHIMNEY ADJUSTER. 1248 LAN
Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . lamjL LAnge invented the lam])-chimney. He addedit to the tubular wick and central air-tube of Ar-ganils lamp, and peifectcd the invention. Lamp-chimneys are usuallv of , but havebeen made of mien, metal with mica windows, hoiTi,and porcelain. Their forms are various, from thestraight cylimler of the German .students lamp to LAMP-CHIMNEY ADJUSTER. 1248 LANCE. the obese biilh of coninioiiei varieties. They havealso been inaile in various eonvoluteil aiij spiralforms, <lesigneil to give greater liberty of rliaiiges of temperatuie. They have also beensplit longitiiclinally, spirally, anJ made with holes,tile intention ; in each ease to make them lessliabli to Ilartuiv liy heat or a lilow. Lamp-chimney Ad-juster. A means forraising and lowering a glass lamp-ehimney in orderto modily the dralt, or to allow the wiek to besnntled without lifting olV the rliininey. Lamp-chimiiey Cleaner. {Domestic.) Apad or brash for cleaning the ehinmeys and glasses Fig. Lamp-Ckimney of lamps. It is usually made , so as to bear upon opposite portions of the inside. A few of the many varieties are shown in Fig. 2793. Lamp-chimney Tongs. An implement for grasping a hot lamp-chimney and Fig 2794. removing or rcplaiing it. Lamp-cone. A dome-shapedor conical cap, with a slit for theflame, and placed over and aroundthe wick and wick-tube of a lam]),to concentrate the current of air atthroat of the cone. See Lami- BlinXEU. Lamp-ele-ya-tor. A meansof adjusting the hight of a sus-pended lamp in a room. It usuallyhas a telescopic tube, lazy-tongs, orI pulleys and chains, with connter-weights. Sci! Lamp-hanger. A means ofsnspiuding a lamp, of aring and chains, or other stand f
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