Translated extract of a letter, from Antoni van Leeuwenhoek to Henry Oldenburg Investigating the structure of muscular tissue, the brain and spinal cord; observations of the effects of moxa, the Chinese remedy against gout; observations of cotton, in particular, its usefulness for bandaging Original see EL/L1/27 Partial translation printed in 'Philosophical Transactions', vol 12, no 136, p 899 1677