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Tag Archives: Briggs Sperry Model 13

Defending the bomber – The Briggs Sperry Model 13 Gun Turret

A history of the Briggs Sperry Model 13 ball turret which was integrated into the design of the B-17 and B-24 aircraft during WW2, including specifications for two of the models.

Posted byChris Chant09/08/201408/09/2014Posted inMilitary Aviation, Military equipment, WWIITags: Avro Lancaster, B-17, B-24, Boeing, Briggs Sperry Model 131 Comment on Defending the bomber – The Briggs Sperry Model 13 Gun Turret

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