AND A HAIRBRUSH,AND RULER

AND A COMB,AND THE LINETo eliminate the need to carry a ruler or tape measure, apply a linear division on the comb, which is always in my pocket.

 

N. TURULIN, Taganrog

Recommend to read

  • Racing experimentalRacing experimental
    Instead of the usual steering wheel, I installed a column of the front manual drive of a two-stage chain transmission on the bicycle machine (Fig. 1). When moving, depending on the height...
  • MOPED “COTTONMAKE”MOPED “COTTONMAKE”
    At the X All-Union Week of Science, Technology and Production for Children and Youth, held in January 1983 in the capital of Uzbekistan, many interesting developments from many cities of...