Just as the moment of the supreme experiment arrived the Professor's eyes flashed right through his spectacles. There was a quivering in his fingers as he grasped the old parchment.
En el instante de realizar su experimento decisivo, los ojos del profesor Lidenbrock lanzaban chispas a través de sus gafas; sus dedos temblaban al coger otra vez el viejo pergamino; estaba emocionado de veras.