 | Worthington Hooker - 1864 - 476 pages
...stop-cock, and having suspended in it a cylinder of zinc, e. When the lamp is to be used the jar, a, is two-thirds filled with a mixture of one part sulphuric acid and four parts water, as indicated by the circular line. As the bell-jar is open at the bottom, the acid and water... | |
 | Friedrich Schoedler - Science - 1870 - 610 pages
...lid e, which is furnished with a suitable stop-cock c, and in connection with a small bell-jar f j in which is suspended, by means of a wire, a cylinder...atmospheric air, the spongy platinum contained in tne small brass cylinder d being covered by a piece of paper. The stop-cock is then closed, and the... | |
 | Worthington Hooker - Science - 1876 - 442 pages
...having suspended in it a cylinder of zinc, e. When the lamp is to be used the jar, a, is two thirds filled with a mixture of one part sulphuric acid and four parts water, as indicated by the circular line. As the bell-jar is open at the bottom, the acid and water... | |
 | Gaston Tissandier - 1882 - 830 pages
...lid, e, which is furnished with a suitable stop-cock, c, and in connection with a small bell jar,/, in which is suspended, by means of a wire, a cylinder...mixture of one part sulphuric acid and four parts water, and the stop-cock opened to allow the escape of lamp. atmospheric air, the spongy platinum contained... | |
| |
... in which is suspended, by means of a wire, a cylinder of metallic zinc z. When required for use, the outer jar is two-thirds filled with a mixture... 