. . . . . . . "Experimental Optics. Being a series of simple and brilliant experiments, etc"@en . "Experimental Optics. Being a series of simple and brilliant experiments, etc" . "Experimental optics : being a series of simple and brilliant experiments with light, and how to make all kinds of optical instruments" . . . "Experimental Optics" . . "Experimental optics; being a series of simple and brilliant experiments with light, and how to make all kinds of optical instruments" . . . . . . . . "Optique." . .