
ELLIPSOGRAPH —
is the name of this simple device. It can be used to draw an ellipse with any ratio of the semiaxes. It is enough to set into the holes on the line of alignment pins to align the center of ellipsograph with the future centre of the ellipse and rotate the line by 360°. Parts of the device can be made of duralumin sheets, guides pins are made of steel.
Recommend to read
TROUBLE-FREE LIGHTER
"E-match" is the name of the material on electroscience, published in No. 3 of the journal "modelist-Konstruktor", 1999. The development will be able to find its rightful place in the...
WITH THE ENGINE OF THE SCOOTER
The tillers built by members of the circle "Young technician" vocational school № 25 of the city of Tartus. With it treated potato plots, mow the grass, carrying cargo. The...