1080
- Episode aired Feb 20, 1970
- TV-Y
- 28m
Rogers talks about the use of triangles, such as on the Yield sign. Betty Aberlin arrives with Bob Trow's model of the Eiffel Tower.Rogers talks about the use of triangles, such as on the Yield sign. Betty Aberlin arrives with Bob Trow's model of the Eiffel Tower.Rogers talks about the use of triangles, such as on the Yield sign. Betty Aberlin arrives with Bob Trow's model of the Eiffel Tower.