So it is sometimes: you need something urgently to paint or draw, label, and doesn’t brush. Rescue method, which is applicable for manufacturing of any brush set. This will require a tube of suitable diameter, strong string or wire and any fibrous material — fur, synthetic yarns, tow, or wool. The Assembly is clear from the figure.
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The WAVEMETER
needed for anyone who is keen on constructing of measuring equipment and equipment for radio control models. Simple circuit universal wavemeter, shown in figure, is a conventional...
MAGNETIC FINGER…
I think many who have to work with small metal objects. will be useful to my "magnetic" finger, or rather — rubber fingerstall to which is glued a small square of a permanent magnet.
