| Code: | Z/M/1266 |
|---|---|
| Entry Text: | exercise book of Griffith Richards, National School, Barmouth on `navigation & nautical astromony with right & oblique angled trigonometry', 1854 & eight certificates of discharge of Evan Richards of Barmouth, 1868-85 for the Isabel |
| Date Range: | 1854 to 1885 |
| Keywords: | mathematics service ships |
| Location: | Meirionnydd Archives |