Die Geheimkameras und ihre abenteuerliche Geschichte
By: Eaton S. Lothrop Jr., Michael Auer
Contributors: Auer, Michel
Publisher: Heering-Verlag
Published: 1978
Place of publication: Seebruck am Chiemsee
Language: ger
Number of pages: 175
Subjects: Cameras; History; Detective cameras
Work titles: Unseen eye
Notes: Translation of: The unseen eye.

Includes bibliographical references (p. 160-166) and index.