Engraving of <a href="https://fr.wikipedia.org/wiki/Fran%C3%A7ois-Antoine_Jecker" class="extiw" title="fr:François-Antoine Jecker">François-Antoine Jecker</a> (1765 – 1834), French scientific instrument maker.
<bdi><a href="https://en.wikipedia.org/wiki/en:Julien-L%C3%A9opold_Boilly" class="extiw" title="w:en:Julien-Léopold Boilly"><span title="painter (1796-1874)">Julien-Léopold Boilly</span></a>
</bdi>
1790<div style="display: none;">date QS:P571,+1790-00-00T00:00:00Z/9</div>
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