Freshwater hydra
Date
1832
Creator
William Kelsall (British) , Engraver
After
C R Goring (1792 - 1840, British) , Physician
Object type
Library reference
Tracts_32_5_plate 7
Material
Technique
Dimensions
height (page): 208mm
width (page): 126mm
width (page): 126mm
Subject
Content object
Description
Natural history studies of two types of hydra, Hydra viridissima and Hydra vulgaris,
here styled Hydra viridis et grisea. Figures 1-5 views of both specimens under magnification, with an additional circular detail of the microscope field at actual size.
The image is inscribed above: ‘Pl.7. Pritchard’s Microscopic Cabinet.’ Inscribed below: ‘Dr. Goring del. W.Kelsall sc. Published for the Author, April, 1832.’ From the book The microscopic cabinet of select animated objects: with a description of the jewel and doublet microscope, test objects, &c. by Andrew Pritchard and C R Goring (London, Whitaker, Treacher and Arnot, 1832).
here styled Hydra viridis et grisea. Figures 1-5 views of both specimens under magnification, with an additional circular detail of the microscope field at actual size.
The image is inscribed above: ‘Pl.7. Pritchard’s Microscopic Cabinet.’ Inscribed below: ‘Dr. Goring del. W.Kelsall sc. Published for the Author, April, 1832.’ From the book The microscopic cabinet of select animated objects: with a description of the jewel and doublet microscope, test objects, &c. by Andrew Pritchard and C R Goring (London, Whitaker, Treacher and Arnot, 1832).
Object history
Andrew Pritchard (1804-1882) was a British microscopist who produced microscopes with lenses ground from diamond and other gemstones, selling these and microscope slides. He was a Fellow of the Royal Society of Edinburgh.