
To measure the thickness or diameter of small fasteners do not have to have a caliper: rescue improvised version of conventional clothespins. It is sufficient to attach the metal plate coated with graduations as shown in the figure.
I. KORENEV, Korolev, Moscow region
Recommend to read
His element is land and water
Musician D.T. KUDRYACHKOV is known among amateur constructors as the author of the unique amphibious car «Triton» — the only vehicle of its kind registered simultaneously with two state...
IN WINTER — SNOWMOBILE, IN SUMMER — AIR SUSPENSION
Such a transformation that my construction readily admits. Moreover, the possibility of replacement ski floats, making it easy to turn a land car in "waterfowl". Flat "breaking" the...