The glass fiber may actually loop multiple times, thus extending the effective length of the light path.
#UNMECHANICAL EXTENDED MIRROR GYROSCOPES PDF#
Google Patents Gyroscopic theodolite assemblyÄownload PDF Info Publication number US2966744A US2966744A US749569A US74956958A US2966744A US 2966744 A US2966744 A US 2966744A US 749569 A US749569 A US 749569A US 74956958 A US74956958 A US 74956958A US 2966744 A US2966744 A US 2966744A Authority US United States Prior art keywords support oscillation gyrocompass gyroscope center Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US2966744A - Gyroscopic theodolite assembly US2966744A - Gyroscopic theodolite assembly