Sperry - George Dodd, Field Service Manager for Sperry International, with the company’s Walking Stick (jpg)

Sperry - George Dodd, Field Service Manager for Sperry International, with the company’s Walking Stick

George Dodd, Field Service Manager for Sperry International, with the company’s Walking Stick. It uses nine transducers to project sound into the rail to detect anomalies caused by cracks

Other versions:

50×50 jpg
140×93 jpg
490×490 jpg
180×120 jpg
981×652 jpg