One who often works with paper and ink, it is recommended to do simple drawing tool simplifies many design works. In principle, it is a cross between a poster with pen and brush. To make it, you need to whittle out wooden planks a simple holder, made of tin to cut two plates and to procure a few foam strips. How is going to “pen” it is clear from the figure.
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Monophonic electronic musical instrument (see figure) is assembled on a single chip К176ЛА7 containing four two-valve "AND—NOT". On D1.1 is made the generator of frequency vibrato. The...
AND THE DOOR, AND COUNTERTOP
The need for a guest table at their summer cottage occurs not so often, only bump when friends or family collectively to enjoy the outdoors or to celebrate any family event or...
