"0"^^ . . "an optical device consisting of an attachment that enables an observer to view simultaneously the image and a drawing surface for sketching it"@en-us . . "102838852"@en-us . . "camera lucida"^^ . . "camera lucida"@en-us . . "0"^^ . . . . . . "102943465"^^ . "02943465-n"^^ .