To lower or to raise from a well or wells cargo will allow here is a simple fixture. It consists of two stakes and relying on a steel rod with a diameter of at least 30 mm, with a cranked shank handle. Support stakes must be securely buried and located as close as possible to fix the well or wells. P. RADCHENKO, inventor
Recommend to read
BIOGAS ON THE FARM
«Dear editorial board! While reviewing back issues of 'Modelist-Konstruktor' from previous years, I became interested in materials about biogas published in issues No. 1'87, 5'88, 4'96 of...
TWO FIGHTING WING
Developed in the circle of aircraft modeling station of young technicians of the city of Berezniki of the Perm region and the following proposed model of "air combat" is designed for...
