Surveying Instrument Collection
Maker |
Wild, Heerbrugg, Switzerland |
Model |
GDR-11 Triple Prism Reflector, Part No. 258979. |
Serial Number |
--- |
Dimensions |
165 x 115 x 295 mm |
Image |
|
Description |
Reflector with three rectangular EDM prisms. The prisms are arranged vertically above each other, tiltable (about centre of middle prism) and rotatable (about vertical axis). Triagular target at bottom for direction measurements. Gun-sight on top for pointing to EDM instrument. |
History & comments |
Designed for the first electro-optical distance meter (DI10) of Wild Heerbrugg. The rectangular shape of the individual prisms is due to the side-by-side arrangement of transmitting and receiver optics of the Wild Distomat DI10. |
Conservation |
In cylindrical plastic transport case (190 mm diameter, 360 mm high) |
Condition |
good, both triple prism and case. No tribrach included. |
Remarks |
Case carries the inscription "P/C 35807, s/n 258979" |
Dates |
Manufactured ca. 1969. Catalogued by J. M. Rüeger on 8 November 2010. Photos by J. M. Rüeger. |