FIELD: teaching aids manufacturing. SUBSTANCE: device has panel for imitating curved line subject of inquiring fixing by pawls and two symmetric attachments for curvature ring center position determining. Each attachment has two bars, three cross-wise sliders, three pairs of two-bearing sliders, two pointers, indicating bar and four links. EFFECT: more effective training processing for flat curve treatment. 1 tb, 1 dwg
Title | Year | Author | Number |
---|---|---|---|
EDUCATIONAL APPLIANCE ON MATHEMATICS | 0 |
|
SU930342A1 |
MATHEMATICAL INSTRUMENT | 1991 |
|
RU2022802C1 |
TRAINING AID FOR ENGINEER GRAPHICS | 0 |
|
SU1725248A1 |
TRAINING AID FOR GEOMETRY | 0 |
|
SU1725249A1 |
INSTRUMENT FOR DRAWING CURVES | 0 |
|
SU1729815A1 |
TEACHING-AID DEVICE OF ENGINEERING GRAPHICS | 0 |
|
SU1141443A1 |
APPLIANCE FOR DRAWING CURVES | 0 |
|
SU1729814A1 |
DEVICE FOR DRAWING OF CISSOID | 0 |
|
SU1662878A1 |
PROJECTOR FOR GEOMETRY | 0 |
|
SU1633446A1 |
DEVICE FOR PLOTTING THE ARCHIMEDEAN SPIRAL | 0 |
|
SU1815242A1 |
Authors
Dates
1994-03-30—Published
1991-10-28—Filed