Science: Smaller & Hotter

The old-fashioned furnace may be bound for the postwar ash heap. Cheap new miniature house heaters have recently been announced by the soft-coal industry and an auto-heater manufacturer. This week the anthracite industry joined in with a pint-sized burner of its own.

Hard Coal. The heater designed by Anthracite Industries, Inc. (not yet tested in a house) is a steel pipe 18 inches long and four to six inches in diameter (four inches for a four-room house, six inches for eight rooms). It has a feeder which pushes coal in at one end and ashes out at the other, a water jacket,...

Want the full story?

Subscribe Now

Subscribe
Subscribe

Get TIME the way you want it

  • One Week Digital Pass — $4.99
  • Monthly Pay-As-You-Go DIGITAL ACCESS$2.99
  • One Year ALL ACCESSJust $30!   Best Deal!
    Print Magazine + Digital Edition + Subscriber-only Content on TIME.com

Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!