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ES1875005300A1875-05-081875-05-08Aparato mecanico para la explicacion practica de la geografia astronomica que denomina "cosmoscopo"
ExpiredES5300H1
(es)
Un cuadro movido por la electricidad, al que ha puesto por nombre "Observador eléctrico", destinado a la inspección de los trenes en movimiento.
El aprovechamiento de los folletos o libritos que contienen los argumentos o extractos de toda clase de obras literarias que se representan en los teatros o locales de espectáculos para la estampación, en sus cubiertas o intercalados en el texto, de anunc