Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 695
We use twen-ty-four volts to force thecurrent through the miles ofwire, but the talking cur-rents themselves are so fee-ble that it takes a very sensitive apparatus to findthem. They are measured in thousandths of anampere, and you know what that is, when you canget anywhere from six to thirty… … THE ENGINE-ROOM OF THE CHRISTIAN X. That was the ringing current. Somebody wastrying to ring your bell while you had your handon the binding-posts at the end of the receiver. I9I3-] WITH MEN WHO DO THINGS 1089 We have to use a more powerful current to makethe bell ring, but the telephone itself is…
Children's literature
Internet Archive · UNC Libraries · Public Domain Mark 1.0. Free to use for anything.
![An illustration from St. Nicholas [serial], 1873, leaf 695](https://img.insideoutlibrary.com/img/1024/ia-stnicholasserial402dodg-695-927.webp)
![An illustration from St. Nicholas [serial] (1873)](https://img.insideoutlibrary.com/img/200/ia-stnicholasserial4921dodg-657-728.webp)
