FIELD: devices for descriptive geometry. SUBSTANCE: distance from arbitrary point in space to surface of sphere is detected by method of rotation of projection drawing. Device has two panels, two shafts, four gears, two tooth-lathes, magnetic lathes, two telescopic rods and sphere, which contains two parts and is mounted on spherical hinge. EFFECT: increased functional capabilities. 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| PRACTICE DEVICE FOR GEOMETRY | 1992 |
|
RU2068584C1 |
| EDUCATIONAL DEVICE FOR GEOMETRY | 1996 |
|
RU2121165C1 |
| TRAINING DEVICE FOR DESCRIPTIVE GEOMETRY | 0 |
|
SU1797141A1 |
| PROJECTION GRAPHICS DEVICE | 0 |
|
SU1744702A1 |
| DEVICE FOR DEMONSTRATION OF PROJECTIONS OF STRAIGHT LINES AND THEIR TRACES | 0 |
|
SU1545238A1 |
| TRAINING DEVICE FOR GEOMETRY LEARNING | 1991 |
|
RU2010344C1 |
| DEVICE FOR TEACHING GEOMETRICAL DRAWING | 0 |
|
SU911594A1 |
| TRAINING AID FOR GEOMETRY | 0 |
|
SU1725249A1 |
| PROJECTOR FOR GEOMETRY | 0 |
|
SU1633446A1 |
| EDUCATIONAL APPLIANCE ON MATHEMATICS | 0 |
|
SU930342A1 |
