Book Description

Excerpt from Easy Electrical Experiments and How to Make Them: An Elementary Hand-Book of Lessons, Experiments and Inventions for Beginners as Well as Advanced Students, Written in a Simple and Easily Understood Language Cut a piece Of board three inches square and inch thick. In the center bore a 34-inch hole; from the center Of this hole bore four other holes in diameter and equally spaced around the 'central. Hole. (see Fig. I.) File every trace Of cop per from the surface of the carbon rods (if they are copper plated) and having filed them to a length of 5 inches, push four of them through the holes so that they project 3% inches from the lower side Of the board. They Should fit snugly, and be wedged in if necessary. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.