Increased F-111 Flight Time Award Presented by Colonel Grumbles To Bob Bartol

Increased F-111 Flight Time Award Presented by Colonel Grumbles to TSGT Bob Bartol on June 17, 1968 Bob Bartol Increased the F-111 Flight Time On the First Swing Wing Aircraft Placed into production. At Edwards Air Force Base in California Bob Bartol Increased F-111 flight time...

Mag-Probe Testing an Inductive Proximity Switch

Mag-Probe Testing an Inductive Proximity Switch  on a Boeing 737-300 Aircraft Landing Gear  Selecting inductive proximity switches A basic inductive proximity switch has virtually become a commodity. Over the last 15 years its price has dropped from about $100/device to less than...