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There is Wolden for Hofmarschall, our old Custrin friend; there is Colonel Senning, old Marlborough Colonel with the wooden leg, who taught Friedrich his drillings and artillery-practices in boyhood, a fine sagacious old gentleman this latter.
Of Senning, too, Engineer-Major von Senning, who gave Fritz his lessons in Mathematics, Fortification and the kindred branches, the like, or better, can be said.