If a wooden bar and drill two holes the diameter of pencils or flomasterom — get a new handy tool for drawing or sketching: one motion will be two parallel lines. Instead of a single bar it is possible to use two longitudinal halves, in which to choose the grooves for writing the stems and then tie or glue the workpiece.
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THE LEGENDARY S-56
"Vladivostok, 6 (Corr. "Truth" Yury Makeev). On Ship quay of the regional center established on the pedestal of the legendary submarine s-56..." The newspaper "Pravda" of 7/XII...
CONTAINER VELOCIMETRY
Hobbyists and modelers know how hard it is without a special container to connect several dry cells "373" in the battery. Reliable and easy temporary container is obtained from the...
