 | 1860 - 902 páginas
...coke and water required to raise steam for the engines and carbon points for the lamp in the lantern. The lamp is a delicate arrangement of machinery, holding...bars of a small railway ; and upon these the lamp stands. When the carbons of a lamp are nearly gone, the lamp is lifted off and another instantly pushed... | |
 | 1860 - 384 páginas
...the lantern. The lamp is a delicate arrangement of machinen', holding the two carbons between winch the electric light exists, and regulating their adjustment;...they gradually consume away, the place of the light MI ill not be altered. The electric wires end in the two bars of a small railway, and upon these the... | |
 | 1861 - 338 páginas
...coke and water required to raise steam for the engines, and carbon points for the lamp in the lantern. The lamp is a delicate arrangement of machinery, holding...two bars of a small railway, and upon these the lamp stands. When the carbons of a lamp are nearly gone, that lamp is lifted off and another instantly pushed... | |
 | 1861 - 434 páginas
...and water required to raise steam for the engines, and carbon points for the lamp in the lanthorn. The lamp is a delicate arrangement of machinery, holding...two bars of a small railway, and upon these the lamp stands. When the carbons of a lamp are nearly gone, that lamp is lifted off and another instantly pushed... | |
 | 1861 - 448 páginas
...coke and water required to raise steam for the engines and carbon points for the lamp in the lantern. The lamp is a delicate arrangement of machinery, holding...two bars of a small railway, and upon these the lamp stands. When the carbons of a lamp are nearly gone, that lamp is lifted off and another instantly pushed... | |
 | Peter Lund Simmonds - 1861 - 468 páginas
...and water required to raise steam for the engines, and carbon points for the lamp in the lanthorn. The lamp is a delicate arrangement of machinery, holding...light shall not be altered. The electric wires end iu the two bars of a small railway, and upon these the lamp stands. When the carbons of a lamp are... | |
 | 1861 - 450 páginas
...water required to raise steam for the engines and carbon points for the lamp in the lantern. The lanip is a delicate arrangement of machinery, holding the...that whilst they gradually consume away, the place of (he light shall not be altered. The electric wires end in the two bars of a small railway, and. upon... | |
 | Royal Institution of Great Britain - 1862 - 574 páginas
...and water required to raise steam for the engines, and carbon points for the lamp in the lanthorn. The lamp is a delicate arrangement of machinery, holding...which the electric light exists, and regulating their I860.] Mr. Masters, on Formations in Plants. 223 adjustment ; so that whilst they gradually consume... | |
 | 1863 - 568 páginas
...separation ; and the heated carbon gives forth an intensely brilliant light — and so we mount upward from the lucifer-match to the electric light, by an...two bars of a small railway, and upon these the lamp stands. When the carbons of a lamp are nearly gone, that lamp is lifted off, and another instantly... | |
 | 1861 - 448 páginas
...coke and water required to raise steam for the engines and carbon points for the lamp in the lantern. The lamp is a delicate arrangement of machinery, holding...two bars of a small railway, and upon these the lamp stands. When the carbons of a lamp are nearly gone, that lamp is lifted off and another instantly pushed... | |
| |
The lamp is a delicate arrangement of machinery, holding the two carbons between which the electric light exists, and regulating their adjustment; so that whilst they gradually consume away, the place of the light shall not be altered. The electric wires... 
