Edison's carbon telephone transmitter, and the speaking phonograph
✍ Scribed by S.M. Plush
- Publisher
- Elsevier Science
- Year
- 1878
- Tongue
- English
- Weight
- 300 KB
- Volume
- 105
- Category
- Article
- ISSN
- 0016-0032
No coin nor oath required. For personal study only.
✦ Synopsis
Plu*h--Edison's Telephone, etc. [Jour. Frank. Inst.,
from window spaces and window frames. Scrubbing brushes, vigorously applied, might remove them. Any simple device would serve to divert the dirty drippings which soak the bricks beneath the windows, developing characteristic white patches here between the black streaks. As it is, the model Philadelphia brick house, with its white incrustations and black streaks, is a reproach and shame. Builders and brick manufacturers who prevent these evils in new houses, may reasonably expect to reap public gratitude, and, perhaPs ~ something more satisfying. Entire blocks of houses have so changed countenance--have "so gone down"--within a single year, as to repel desirable tenants, when, indeed, they remained in all other respects unchanged. The subject under consideration has for a long time interested the writer from a utilitarian standpoint, rather than a scientific one. EDIS01~'S CARBON TELEPHONE TRANSMITTER, AND THE SPEAKING PHONOGRAPH.