| Reference number | EL/L1/49 |
| Level | Item |
| Title | Antoni van Leeuwenhoek, dated at Delft, to Robert Hooke |
| Creator | Leeuwenhoek; Antoni van (1632-1723); tradesman and microscopist |
| Date | 12 January 1680 |
| Description | Concerning the germinal spot of an egg; microscopic observations of oak, elm, beech, willow, alder, ebony, box wood, straw; discusses the movement of water in tree vessels; observations of the sperm of various fish
Leeuwenhoek adds a note about his diagram of the circumference of an imaginary oak, alder etc showing annual growth rings
25 figures - five are in pencil and the others in red chalk- of transverse or tangential sections of different species of wood |
| Language | Dutch |
| Extent | 19 sides |
| Format | Manuscript |
| Place origin | Delft, South Holland, (United Provinces) Netherlands |
| Origin coordinates | 52.00667, 4.35556 |
| Notes | This item is followed by EL/L1/47, EL/L1/48, and EL/L1/41 (in that order) |
| Access status | Open |
| Related material | Transcribed and translated in 'Alle de brieven van Antoni van Leeuwenhoek', edited, illustrated and annotated by Committee of Dutch Scientists, vol 3, p 145
Printed in 'Philosophical Transactions', vol 13, no 148, p 197 |
| Copies | Digital photograph of the tangential section of beech
Digitial photograph of the transverse section of oak |
| URL description | Also available on Early Modern Letters Online |
| URL | http://emlo.bodleian.ox.ac.uk/profile/work/4521fea0-4acb-4731-9eba-555516b8c09f |
Fellows associated with this archive
| Code | Name | Dates |
| NA8438 | van Leeuwenhoek; Antoni (1632 - 1723); tradesman and microscopist | 1632 - 1723 |
| NA8242 | Hooke; Robert (1635 - 1703); natural philosopher | 1635 - 1703 |