Publication Registration: |
Wednesday, June 12, 1985 |
Design Feature:
|
(1) Armillary spheres, planetaria, astronomic orbits, atomic models, molecular models
(2) Atomic orbits
(3) Circles
(4) Circles or ellipses containing representations of heavenly bodies or natural phenomena
(5) Ellipses
(6) Circles containing one or more ellipses
|
Goods and Services Information
|