. . . . . . . . "103356918"@en-us . "103484931"^^ . . "0"^^ . . "hand glass"@en-us . "light microscope consisting of a single convex lens that is used to produce an enlarged image; \"the magnifying glass was invented by Roger Bacon in 1250\""@en-us . . . . . . . "hand glass"^^ . . "03484931-n"^^ . . . . . . . . . "magnifying glass"@en-us . "0"^^ . "102791804"@en-us . "simple microscope"@en-us . .