Observations of ‘Rays Calomba’, the roots of Jateorhiza and salt crystals in distillation of root and blood
Date
25 May 1688
Creator
Unknown, Artist
Object type
Archive reference number
Manuscript page number
p23a
Material
Dimensions
height (page): 125mm
width (page): 140mm
width (page): 140mm
Subject
Description
21 figures in a letter from Antoni van Leeuwenhoek to the Royal Society. The original drawings are lost.
Fig. 1: particles of a Raijs Calomba root
Fig. 2: a few broader salt particles with re-entrant angles
Fig. 3: another shape of salt figures
Fig. 4: another shape of salt figures
Fig. 5: shape of salt particles after a mix of burnt root and charcoal added
Fig. 6: shape of some particles that were more pointed and thinner at one end
Fig. 7: salt particles in sunflower pattern
Fig. 8: salt particles in irregular pattern with tapered ends
Figs 9, 10 and 11: salt particles when mixed with rain water
Fig. 12 and 13: other shapes of saline particles
Fig. 14: six-sided salt particle
Fig. 15: triangle salt particles
Fig. 16: mix of stone powder and liquids
Fig. 17: long, linked together salt figures
Fig. 18: salt figures lying separate
Fig. 19: piece of stone magnified
Fig. 20: piece of said stone to the naked eye (stone cut from the bladder of a dead child)
Fig. 21: sharp coagulated salt.
Fig. 1: particles of a Raijs Calomba root
Fig. 2: a few broader salt particles with re-entrant angles
Fig. 3: another shape of salt figures
Fig. 4: another shape of salt figures
Fig. 5: shape of salt particles after a mix of burnt root and charcoal added
Fig. 6: shape of some particles that were more pointed and thinner at one end
Fig. 7: salt particles in sunflower pattern
Fig. 8: salt particles in irregular pattern with tapered ends
Figs 9, 10 and 11: salt particles when mixed with rain water
Fig. 12 and 13: other shapes of saline particles
Fig. 14: six-sided salt particle
Fig. 15: triangle salt particles
Fig. 16: mix of stone powder and liquids
Fig. 17: long, linked together salt figures
Fig. 18: salt figures lying separate
Fig. 19: piece of stone magnified
Fig. 20: piece of said stone to the naked eye (stone cut from the bladder of a dead child)
Fig. 21: sharp coagulated salt.
Object history
Printed images taken from a published version of the letter (the same plate is in the Dutch and Latin versions):
Antoni van Leeuwenhoek, Natuurs verborgentheden ontdekt, zijnde een tweede vervolg der brieven (Delft: A. Voorstad, 1689), pp. 157-85.
Antonio van Leeuwenhoek, Arcana naturae detecta (Delft: Henricum a Krooneveld, 1695), pp. 87-108.
Antoni van Leeuwenhoek, Natuurs verborgentheden ontdekt, zijnde een tweede vervolg der brieven (Delft: A. Voorstad, 1689), pp. 157-85.
Antonio van Leeuwenhoek, Arcana naturae detecta (Delft: Henricum a Krooneveld, 1695), pp. 87-108.
Related fellows
Antoni van Leeuwenhoek (1632 - 1723, Dutch) , Naturalist
Associated place