srp: камера луцида

Information
has URI	http://lexvo.org/id/term/srp/%D0%BA%D0%B0%D0%BC%D0%B5%D1%80%D0%B0%20%D0%BB%D1%83%D1%86%D0%B8%D0%B4%D0%B0

Meaning
means	(noun) an optical device consisting of an attachment that enables an observer to view simultaneously the image and a drawing surface for sketching it camera lucida