GOODS & SERVICES: New Ideas, Apr. 9, 1951

Scratch-Happy. Because he reckoned that "cows know where they itch," Cattleman Bill Kirk designed a pest-killer which any range animal can apply to itself. "Old Scratch" is a flexible steel cable, strung with hundreds of steel washers, lubricated by a reservoir of oil-insecticide. The cow just rubs against Old Scratch, is automatically smeared with bug-killer, made happier, puts on weight faster as a result. Kirk, who started out with 11¢ in capital last year, has already shipped 4,500 models of Old Scratch to ranchers. Price: $198.50 f.o.b. Amarillo, Texas.

Rear View. William B. MacDonald Jr. of Chicago's Mid-States Corp....

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!