THE METHOD OF EXCAVATION…

THE METHOD OF EXCAVATION...The British magazine “Practical Householder” reminds readers about the DS one the oldest methods-plan sections using the so-called Egyptian triangle with sides in the ratio 3:4:5. If you make a triangle out of durable nylon twine, combining stretches it with a metal SANB, we will get a reliable and accurate tool for marking angles.

Recommend to read

  • SERIES P: SEARCH CONTINUESSERIES P: SEARCH CONTINUES
    The work of our circle of technical creativity at the Polytechnic of light industry does the city have repeatedly told on the pages of "M-K." At the last such publication number 2 for...
  • IN THE ARSENAL OF THE MECHANICIN THE ARSENAL OF THE MECHANIC
    Great interest among specialists of national economy and young workers caused held at the VDNKH all-Union review of achievements locksmiths innovators. This eloquent entry in the...