Chapter 4

An inflated ox-skin Balsa of earliest times.THESPERRY GYROSCOPECOMPANYManufacturers ofGYRO-COMPASSESGYROSHIPSTABILIZERSGUN-FIRECONTROLAPPARATUSNAVIGATIONALINSTRUMENTSNAVALANDCOMMERCIALSEARCHLIGHTS

An inflated ox-skin Balsa of earliest times.

THESPERRY GYROSCOPECOMPANY

Manufacturers of

GYRO-COMPASSESGYROSHIPSTABILIZERSGUN-FIRECONTROLAPPARATUSNAVIGATIONALINSTRUMENTS

GYRO-COMPASSESGYROSHIPSTABILIZERS

GYRO-COMPASSES

GYROSHIPSTABILIZERS

GUN-FIRECONTROLAPPARATUSNAVIGATIONALINSTRUMENTS

GUN-FIRECONTROLAPPARATUS

NAVIGATIONALINSTRUMENTS

NAVALANDCOMMERCIALSEARCHLIGHTS


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