What should a wheelchaired person do if he waits by the stairwell for assistance in a fire but help never comes in time to carry him down with an evacuchair?

a taxing problem

Three examples of the dandy cart in which horses descended inclines at the rear of gravity-operated trains.

Life has its lessons adapted for all ages, and nature has her sweet solacings for the severity of those lessons. Gently, therefore, and gradually does she lead the young through the sorrowful maze of their own mistakes, […]