Newsletter|
|
|||||||
Brown - figure 152 |
|||||||
|---|---|---|---|---|---|---|---|
 Pinche para ampliar
|
Description
An ellipsograph. The traverse bar (shown in an oblique position) carries two studs which slide in the grooves of the crosspiece. By turning the traverse bar an attached pencil is made to describe an ellipse by the rectilinear movement of the studs in the grooves. |
||||||
| Linked items | |||||||
|
|||||||
| Permanent links | |||||||
|
|||||||
| Data provider | |||||||
|
|||||||
DMG-Lib
Europeana
IFMA
BCU