x-patents:x-9428
Table of Contents
Patent X-9428: 1836-02-25, Solar Compass
| X Number | Date | Inventor | City | Title | Status |
|---|---|---|---|---|---|
| X-9428 | 1836-02-25 | William A. Burt | Mount Vernon, MI | Solar Compass | Recovered |
Comments
This is a surveyor's instrument designed to accurate measure direction based on the position of the sun.
Information Sources
(To be filled in.)
External links
x-patents/x-9428.txt · Last modified: 2019/05/25 21:49 by 127.0.0.1