| RefNo | EL/H3/124 |
| Level | Item |
| Title | Letter, from John Conrad Francis de Hatzfeld to the Royal Society, dated at London |
| Creator | Hatzfeld; John Conrad Francis von (fl 1723-1725) |
| Date | 26 May 1725 |
| Description | Wishes the Fellows to consider his wheel for perpetual motion - figure with explanation given Read to the Royal Society on 27 May 1725 Note reads: 'Not worth entering [in the Letter Book]' |
| Language | English |
| Extent | 4p |
| Format | Manuscript |
| Place origin | London, England |
| Origin coordinates | 51.50853, -0.12574 |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| URLDescription | Also available on Early Modern Letters Online |
| URL | http://emlo.bodleian.ox.ac.uk/profile/work/5d33b833-bc36-4ced-a2e5-129220d41603 |