hem flat round the hole. Of course the hole was not NE of the most convenient batteries for bored throtigh, only about § inch deep. A piece experimenting is the bichromate bottle of a holly stake turned, furnished me with a battery, owing to its strong current grasping bar, which is also given full… … -BATTERY COMPLETE. when looking down on the box. Four feet were a plate of zinc between two carbons immersed turned out of the holly stake in shape as y, and in a solution of bichromate of potash, sulphuric fastened in place in the same way as the handle acid, and water, with an arrangement for…
Industrial arts · Handicraft
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer01inte-310-132.webp)
