Electric Wheelchairs From 1940

In the past 10 years or so, the use of electric wheelchairs (a/k/a "hoverounds" or "scooters") by older or physically challeged people has increased substantially, probably due to improvements in technology, decreased cost, and the greater availability of assistance programs to pay for them.  Despite the recent explosion in use, however, they are hardly a new idea.  Modern Mechanix posted an article from a 1940 issue of Science and Mechanics about the new (and unfortunately named) "electric chairs."