what use it can be—unless," he added, a light striking him, "it may be useful after I pass the center of the earth, when the attraction of gravitation will pull in the opposite direction; or perhaps it is only intended for the use of those passengers who come from the New York side."
Both of these surmises seemed plausible, but neither was completely correct.
William's first surprise being over, he gazed around at the various instruments on the wall, the uses of which he readily understood from the printed notices below each. But what specially interested our hero was a number of curious inscriptions printed in large letters upon the cushions of the car. These notices were so extraordinary that it may not be amiss to give the reader a few specimens:
STAND ON YOUR HEAD AS MUCH AS POSSIBLE DURING THE ENTIRE TRIP!
DO NOT TOUCH THE SIDES OF THE CAR UNLESS ABSOLUTELY NECESSARY!
BE CAREFUL NOT TO SPIN AROUND TOO QUICKLY!
ALWAYS STRIKE THE CAR WITH YOUR FEET RATHER THAN WITH YOUR HEAD!
