. Boletín del Instituto Geológico de México. Geology; Geology; Paleontology. tJ**. Reloj de contactos, empleado para dar la hora en los seismógrafos. Lámpara para ahumar el papel, y donde por medio de una banadera se fijan los diagramas con uu barniz de goma laca y Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Instituto Geológico de México. México : [Instituto]

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Keywords: ., boo, bookcentury1800, booksubjectgeology, booksubjectpaleontology