File:LeblancFDM.jpg
Size of this preview: 519 × 599 pixels. Other resolutions: 208 × 240 pixels | 416 × 480 pixels | 1,000 × 1,154 pixels.
Original file (1,000 × 1,154 pixels, file size: 245 KB, MIME type: image/jpeg)
 | This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help. |
Summary
| Description |
English: The multiple telegraph (FDM) circuit of Hutin and Leblanc from 1891
Français : Le circuit télégraphique multiple (FDM) de Maurice Hutin et Maurice Leblanc de 1891 |
||
| Date | 9 May 1894 (filed) | ||
| Source | US patent US0838545 - MULTIPLE TELEGRAPHY AND TELEPHONY. | ||
| Author | Maurice Hutin, Maurice Leblanc | ||
| Permission (Reusing this file) |
|
||
| Other versions |
https://ppubs.uspto.gov/pubwebapp/ Blob:https://ppubs.uspto.gov/bcf56a07-a06d-441f-a410-2165963527b4 |
Original upload log
The original description page was here. All following user names refer to en.wikipedia.
- 2009-06-05 17:37 Spinningspark 1000×1154× (250606 bytes) {{Information |Description=The multiple telegraph (FDM) cicuit of Hutin and Leblanc from 1891 |Source=US patent US0838545 |Date=9 May 1894 (filed) |Author=Maurice Hutin, Maurice Leblanc |other_versions= }} == Licensing == {{PD-US-patent}} {{KeepLocal}}
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:34, 6 November 2023 | | 1,000 × 1,154 (245 KB) | Clarioio | {{Information |Description=The multiple telegraph (FDM) circuit of Hutin and Leblanc from 1891 |Source=US patent US0838545 |Date=9 May 1894 (filed) |Author=Maurice Hutin, Maurice Leblanc |Permission={{PD-US-patent-no notice}} |other_versions= }} |
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):
Global file usage
The following other wikis use this file:
- Usage on fr.wikipedia.org
