Letter, from Antoni van Leeuwenhoek to Henry Oldenburg, dated at Delft Signed autograph Observations of the vessels of wood with reference of Dr Grew's book on this subject; concerning eel-like creatures found in French wine; concerning the taste of cinnamon Four pencil figures - three drawings of the transverse section of ash wood and one of an eel-like animal found in wine (can be found after EL/L1/19) Partial translation by Oldenburg see EL/L1/19 Transcribed and translated in 'Alle de brieven van Antoni van Leeuwenhoek', edited, illustrated and annotated by Committee of Dutch Scientists, vol 2, p 3 For summary see 'The correspondence of Henry Oldenburg', ed and trans by A Rupert Hall & Marie Boas Hall, vol 12, p 247 English extract printed in 'Philosophical Transactions', vol 11, no 127, p 653 21 April 1676