Surface layer of human urine
Date
1852
Creator
Arthur Hill Hassall (1817 - 1894, British) , Physician
Object type
Archive reference number
Material
Dimensions
height (painting): 139mm
width (painting): 127mm
height (mount): 269mm
width (mount): 209mm
width (painting): 127mm
height (mount): 269mm
width (mount): 209mm
Subject
Description
The surface layer of human urine seen under a microscope following exposure to the air in June 1852 and studied over a period of days to observe colour changes, leading to an investigation into their causes.
Figure 1 from the manuscript version of the paper “On the frequent occurrence of indigo in human urine and on its chemical physiological and pathological relations” by Arthur Hill Hassall, in Proceedings of the Royal Society of London, vol.6 (1850-1854), p.122.
The illustration is inscribed: ‘A portion of Blue Pellicle formed on the surface of a specimen of Human Urine, magnified, shewing its constituents, namely fragments and granules of Indigo, Crystals of Triple Phosphate, Vibriones and Animalcules. 420, diam:’. Incribed verso: ‘July 1852’.The brown card mount has been slightly trimmed, obscuring a second inscription on the reverse.
Arthur Hill Hassall was a physician at the Royal Free Hospital in London and a public health expert.
Figure 1 from the manuscript version of the paper “On the frequent occurrence of indigo in human urine and on its chemical physiological and pathological relations” by Arthur Hill Hassall, in Proceedings of the Royal Society of London, vol.6 (1850-1854), p.122.
The illustration is inscribed: ‘A portion of Blue Pellicle formed on the surface of a specimen of Human Urine, magnified, shewing its constituents, namely fragments and granules of Indigo, Crystals of Triple Phosphate, Vibriones and Animalcules. 420, diam:’. Incribed verso: ‘July 1852’.The brown card mount has been slightly trimmed, obscuring a second inscription on the reverse.
Arthur Hill Hassall was a physician at the Royal Free Hospital in London and a public health expert.
Associated place