Literaturhinweis literature: Fraser, David. Design of a low cost, high magnification, passively stabilized monocular, the Stedi-Eye. Proceedings SPIE, vol. 39 (1973), pp251-7. Verweis Reference
Quellen - some sources:
Zur Firmengeschichte – firm's history
Youtube 1
Youtube Fraser's "Monolite" 14x40.
aktuelle Adresse – Today's address
FRASER-VOLPE CORPORATION --> Fraser Optics
1025 Thomas Drive, Warminster, PA 18974
Phone: 215-443-5240
Fax: 215-443-0966
E-mail: info@fraser-volpe.com
Web: www.fraseroptics.com