Page:Passages from the Life of a Philosopher.djvu/352

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336
RAILWAYS OF THE FUTURE.

In this age of invention, it is difficult to predict the railroads of the future. Already it has been suggested to give up wheels and put carriages upon sledges. This would lower the centre of gravity considerably, and save the expense of wheels. On the other hand, every carriage must have an apparatus to clean and grease the rails, and the wear and tear of these latter might overbalance the economy arising from abolishing wheels.

Again, short and much-frequented railways might be formed of a broad, continuous strap, always rolling on. At each station means must exist for taking up and putting down the passengers without stopping the rolling strap.

The exhaustion of air in a continuous tunnel was proposed many years ago for the purpose of sucking the trains along. This has recently been applied with success to the transmission of parcels and letters.

Possibly in the next International Exhibition a light railway might be employed within the building.[1]

1st. A quick train to enable visitors to get rapidly from end to end, avoiding the crowd and saving time, say at the expense of a penny.

2nd. A very slow train passing along the most attractive line, and occasionally stopping, to enable persons not capable of bearing the fatigue of pushing on foot through crowds.

If such railways were considered in the original design of the building, they might be made to interfere but little with the general public, and would bring in a considerable revenue to the concern.

  1. A gallery, elevated about seven feet, in the centre of each division of the new National Gallery, might be used either for a light railway, or for additional means of seeing the pictures on the walls.