Addyman, Frank Thornton · London : Scott, Greenwood & co. · leaf 76
s an E.M.F. of 1734 volts, is objection-able because of the nitrous fumes which it evolves, though itis fairly constant, and will work for some time. As soon as the work is finished, the acids must be removed,taking care that no trace of nitric finds its way into thesulphuric,.that is, if it be… … Pig. 15.—Groves Battery. Groves Cell is usually made in a different shape from thatof the Bunsen (see Fig. 15). This decreases the resistance bybringing the plates closer together. Instead of the carbon, apiece of platinum foil is placed in the nitric acid. This getsover the difficulty of the…
X-rays
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-339-212.webp)
