Crystals of ‘Ens veneris’ Martin Frobene Ledermuller
Product images of Crystals of ‘Ens veneris’
Crystals of ‘Ens veneris’
Study of the crystals of ‘ens veneris’ a preparation of sal ammoniac
[mineral ammonium chloride] and blue vitriol [copper sulphate]
viewed by microscope, under magnification.
Plate 11 from
Amusement microscopique, tant pour l'esprit que pour
les yeux, contenant... estampes... d'apres nature...
by Martin
Frobene Ledermuller, plates volume (Adam Wolfgang Winterschmidt,
Nuremburg, 1764).
Inscribed above: ‘TAB.XI.’
The accompanying text is headed: ‘Table XI. Ens veneris.’ The
author comments that: ‘Et c'est aussi la même Couleur que
conservent les Cristaux sous le Microscope, de forte que dans un
Jour bienclair, ils ressemblent à l'Or ou aux plus belles Topazes &
Crysolites’. […the crystals under the microscope…look like gold or
the most beautiful topaz & crysolites].
Martin Frobene [Frobenius] Ledermuller (1719-1769) German
naturalist was employed in various capacities as a notary, turning to
microscope studies after an illness induced temporary deafness.
- Image reference: RS-18113
- ©The Royal Society
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