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Mejoras en los aparatos para desenganchar los caballos de los carruajes en los casos de incidentes o de detención o marcha precipitada de los caballos.
Un reloj de bolsillo cuya máquina funciona solamente con el auxilio de tres ruedas en lugar de cinco que necesitan los demás relojes conocidos hasta el día.
Unas piedras de molino con un nuevo sistema de rayado por medio del que se hace desaparecer el calor que desprenden las piedras aumentando considerablemente su trabajo.