Pocket Watch Database
Patent Archive
#106718
Patent Information
Heliade Solar Time Instrument
Francois Martin Pannetrat
August 23, 1870
Patent #106718
| Patent Number: | 106718 |
| Description: | Heliade Solar Time Instrument |
| Inventor(s): | Francois Martin Pannetrat |
| Patent Date: | Aug 23, 1870 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
