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

  • “MIXER” FOR CONCRETE“MIXER” FOR CONCRETE
    In two nights I made a simple, but powerful concrete mixer, which greatly facilitates and accelerates operation in suburban buildings. I was building a garage from concrete blocks with...
  • Gas TANKGas TANK
    For works in chemical laboratory hydrogen is produced usually by the reaction of zinc with hydrochloric acid (HCL). Sometimes you need a small amount of gas, and 1 g of zinc makes about...