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Antoni van Leeuwenhoek
Robert Hooke
Thanks for sending his paper which was read at the Royal Society, but wants another paper to verify the discovery of small animals in pepper-water. Listed in "Catalogue of Manuscript Letters" as December 1677
01 February 1677 Sender: Robert Hooke , Robert Hooke Reference number: EL/H3/54
1678
Commenting on his paper about small animals in water; discussing muscles and the claws of crustaceans
18 April 1678 Sender: Robert Hooke , Robert Hooke Reference number: EL/H3/57
Signed autograph Observations of human blood; an account of Regnier de Graff's experiment of a blood transfusion from one dog to another and then injected milk into one of the dogs; observations of milk; observations of Leeuwenhoek's sputum; concerning the larvae of fleas and their development; observations of organisms in pepper-water Transcribed and translated in 'Alle de brieven van Antoni van Leeuwenhoek', edited, illustrated and annotated by Committee of Dutch Scientists, vol 2, p 303
14 January 1678 Sender: Antoni van Leeuwenhoek , Antoni van Leeuwenhoek Reference number: EL/L1/33
1679
Signed autograph Asking for acknowledgements for previous letters; encloses an extract of a letter he sent to Lambert van Velthuysen (EL/L1/44) and then discusses bladder-stones Transcribed and translated in 'Alle de brieven van Antoni van Leeuwenhoek', edited, illustrated and annotated by Committee of Dutch Scientists, vol 3, p 105
13 October 1679 Sender: Antoni van Leeuwenhoek , Antoni van Leeuwenhoek Reference number: EL/L1/45
1680
Stating that he received 'Philosophical Collections'; further discussion of living organisms in pepper- and ginger-water English translation see EL/L1/48 Transcribed and translated in 'Alle de brieven van Antoni van Leeuwenhoek', edited, illustrated and annotated by Committee of Dutch Scientists, vol 3, p 189
16 January 1680 Sender: Antoni van Leeuwenhoek , Antoni van Leeuwenhoek Reference number: EL/L1/47
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 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
12 January 1680 Sender: Antoni van Leeuwenhoek , Antoni van Leeuwenhoek Reference number: EL/L1/49
Signed autograph Believes that the proposal of being elected to the Fellowship would be an honour English translation see EL/L1/51 Transcribed and translated in 'Alle de brieven van Antoni van Leeuwenhoek', edited, illustrated and annotated by Committee of Dutch Scientists, vol 3, p 195
13 February 1680 Sender: Antoni van Leeuwenhoek , Antoni van Leeuwenhoek Reference number: EL/L1/50
Believes that the proposal of being elected to the Fellowship would be an honour Translation of EL/L1/50
01 January 1680 Sender: Antoni van Leeuwenhoek , Antoni van Leeuwenhoek Reference number: EL/L1/51
Signed autograph Observations of the testicles and spermatozoids of a rat; hopes to examine the semen of mussels; observations of organisms in the gills of oysters; observations of organisms in the sap of vines Two ink figures: one of sperm and one of a testicle of a rat in a jar of water EL/H3/73 for Robert Hooke's partial translation Transcribed and translated in 'Alle de brieven van Antoni van Leeuwenhoek', edited, illustrated and annotated by Committee of Dutch Scientists, vol 3, p 201 English extract printed in 'Philosophical Transactions', vol 17, no 196, p 593
05 April 1680 Sender: Antoni van Leeuwenhoek , Antoni van Leeuwenhoek Reference number: EL/L1/52
Signed autograph Gratefully accepts election to the Fellowship and acknowledges receipt of his diploma Transcribed and translated in 'Alle de brieven van Antoni van Leeuwenhoek', edited, illustrated and annotated by Committee of Dutch Scientists, vol 3, p 225
13 May 1680 Sender: Antoni van Leeuwenhoek , Antoni van Leeuwenhoek Reference number: EL/L1/55
Signed autograph Covering letter encloses letter of Thomas Gale (EL/L1/57) Transcribed and translated in 'Alle de brieven van Antoni van Leeuwenhoek', edited, illustrated and annotated by Committee of Dutch Scientists, vol 3, p 239
14 June 1680 Sender: Antoni van Leeuwenhoek , Antoni van Leeuwenhoek Reference number: EL/L1/59
Signed autograph Asks whether the Royal Society has received previous letters and promises further investigations into the formation of blood Transcribed and translated in 'Alle de brieven van Antoni van Leeuwenhoek', edited, illustrated and annotated by Committee of Dutch Scientists, vol 3, p 269
09 August 1680 Sender: Antoni van Leeuwenhoek , Antoni van Leeuwenhoek Reference number: EL/L1/60
Observing the lees in wine; experiments with fermenting wine; comparing the structure of yeast cells with erythrocytes (red blood cells); examining yeast in syrups from an apothecary's shop; observing particles in rain-water; an analysis of chyle from a cow, fat globules in milk, composition of urine; examining particles in air; discusses the function of the heart and the circulation of blood in the body; observations of the tracheae of a fly, a flea, and a cockroach; observations of the copulation of cockchafers and of dragonflies, the spermatozoids of the grass-hopper, the gnat, the flea, and of the fly; examination of mites; calculating the number of micro-organisms in a grain of sand Translation of EL/L1/62
01 January 1680 Sender: Antoni van Leeuwenhoek , Antoni van Leeuwenhoek Reference number: EL/L1/63
1681
Signed autograph Analysis of a hog's bristle; discussion of shedding hair; observing blackheads; examination of Leeuwenhoek's faeces when he had diarrhoea; discussing micro-organisms in human faeces, and several other animals; examining the structure of clay; the possibility that a blood transfusion can cure gout Four figures of hog's bristle are in red chalk Transcribed and translated in 'Alle de brieven van Antoni van Leeuwenhoek', edited, illustrated and annotated by Committee of Dutch Scientists, vol 3, p 345
04 November 1681 Sender: Antoni van Leeuwenhoek , Antoni van Leeuwenhoek Reference number: EL/L1/64
1682
Discussing reception of Leeuwenhoek's papers at the Royal Society; observations of the fibrous tissue of muscles
10 March 1682 Sender: Robert Hooke , Robert Hooke Reference number: EL/H3/69
Discussing fibres of muscles of mammals and fish; observations of hair-growth on Leeuwenhoek's hand; discovery of the nucleus in the erythrocytes of fish; discussing the structure and growth of oyster shells Six figures in red chalk Five copies of engravings Transcribed and translated in 'Alle de brieven van Antoni van Leeuwenhoek', edited, illustrated and annotated by Committee of Dutch Scientists, vol 3, p 383 B&W negative, red chalk drawing of muscle fibre and fish erythrocytes, Box N101. IM/005321
01 March 1682 Sender: Antoni van Leeuwenhoek , Antoni van Leeuwenhoek Reference number: EL/L1/65