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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“ANTENNA” FOR RAVEN, OR HOW TO PROTECT THE ROOF
Where a person lives, there's a crow look is not necessary — it is everywhere, including near our garden plots Ravens fly around, sit on a high place, the roof and, looking out edible,...
The AIRBOAT
RC model aerolaser (Fig. 1) easy to manufacture, and it does not require scarce materials. Do this even for a Modeler with a little experience, and so the airboat could become a learning...