RANGE GONIOMETER Russian patent published in 1998 - IPC

FIELD: construction industry, system of land tenure. SUBSTANCE: range goniometer is used to plot and measure horizontal angles. It has element of closed form with alternating divisions, five metal rings and five metal studs which can be installed in rings. Element proper is manufactured from flexible braided strap 12.0 m long to which five metal rings are made fast. Distances between first and second, third, fourth and fifth rings amount correspondingly to 3.0 m, 4.0 m, 6.0 m, 8.0 m correspondingly. Divisions are marked between fourth and third and fifth rings by different colors to both sides at distances 0.061, 0.121, 0.182, 0.242, 0.303, 0.364, 0.425, 0.487, 0.549, 0.611, 0.673, 0.736, 0.800, 0.864, 0.928, 1.059, 1.126, 1.193, 1.261, 1.330, 1.400, 1.470, 1.542, 1.615, 1.690, 1.126, 1.842, 1.920, 2.000 m from fourth ring. Some of alternating divisions have one color, others - another color. EFFECT: simplified design, improved operational reliability. 1 cl, 4 dwg