If you can’t make it to Chuck to turn the light bulb and no ladder or chair will help you simple device from a dense paper and two rubber bands.
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“ETERNAL” CUFF
The weak point of any piston pump — automobile, motorcycle or Bicycle, as is well known, piston, or rather, leather cuff, and the main fault is a loose fit it to the cylinder walls. The...
PIONEER TILLERS
Which exhibit the most interesting? Obviously, the one with the most visitors, which often induce camera lenses. This exhibit at the Moscow city exhibition scientifically-technical...
