"Optics View"
View Optics late 18th / early 19th century: "View of the Opera Hall and the Church of Saint Hedurg in Berlin" in Paris, at Mondhare, rue St Jacques size 40 X 23cm engraving, Marie-Louise view 43 x 27cm, modern style magnifying glass 53 x 43 cm. Some marks on the right of the dome, visible on picture 
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