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 . ipe. One used liyniiiu-ralogi^^ ainl ilu-iiiists iov rfducing metallic-oi-cs in analyses. Tlie llaiiie is pioiUiced by the com-bustion of hyiliogen f:; in the presence of an at-mosphere of o.\ygen, with wliieh the i> niixi-d. Ox-y-hydro-gen Lamp. One in which streamsof and hyarogen in regulated ijuantities areoomniingled, the res
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 . ipe. One used liyniiiu-ralogi^^ ainl ilu-iiiists iov rfducing metallic-oi-cs in analyses. Tlie llaiiie is pioiUiced by the com-bustion of hyiliogen f:; in the presence of an at-mosphere of o.\ygen, with wliieh the i> niixi-d. Ox-y-hydro-gen Lamp. One in which streamsof and hyarogen in regulated ijuantities areoomniingled, the resulting ilanie being directed on aball of fjuicklime an<l forming an e.\tremely brightlight ; now used very largely by leetni-ers on science,to illustrate phenomena, and by to pro-ject pictures upon a screen. The body of the lantern a is swung between twouprights, to which it can be (damped Hrmly in anyposition recjuired. Tlie uprights are fastened in thetop board of the stool b, which can be rotated in ahorizontal plane round the upright tube c, to directa beam of light in any direction. At one corner ofthe front plate is the bar d, carrying tlie lenses e cand the mirror / These slide on the bar in the iig. Oxy/ii/tlrogen Lamp. same manner as the lings on a retort-stand, and canbe turned out of use in a moment. The jet, thelower part of which is seen at g, slides through acollar working in the slit at the base of the caoutchouc tubes from the jet throughscrew pinch tabs, one of wdiich is seen on h, andthen they pass through the tube and uiidenieaththe base-board, as seen at k. The cross-pieces I Iserve to support a table m, on which , suchas a prism, etc., can be supported. To show mag-netic curves, cohesion figures, or anything whichrei|uires to be illuminated while in a horizontal po-sition, the lantern is clamped in an upright position,sliouu in the figure. The glass plate with themagnet attached is laid over the condenser, a
Size: 1358px × 1840px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, booksubjectin, booksubjectmechanicalengineering
