A simple clamp can be made of three parts: a section of steel channel, bolt and nail. This homemade tool does not give the factory.
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“DUET” SCOOTERS
This is an interesting and at the same time very simple machine, which we want to tell you today, already mentioned in the ninth issue of our journal in 1974 (see the essay "And we in...
SIMPLE STEREOMIXER
For school discos and Amateur recording magazine "Funkamateur" (GDR) offers a scheme of five "anal stereomixer (Fig. 1). It is designed to connect two stereophonically (X1, x2), two...