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...
Frobene Ledermuller, plates volume (Adam Wolfgang Winterschmidt,
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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