Pocket Watch Database
Patent Archive
#2582179
Patent Information
Sundial & Nocturnal Celestial Timepiece
David Thomson
January 8, 1952
Patent #2582179
| Patent Number: | 2582179 |
| Description: | Sundial & Nocturnal Celestial Timepiece |
| Inventor(s): | David Thomson |
| Patent Date: | Jan 8, 1952 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
