A ball turret was a particular form of spherical-form, altazimuth mount movement manned aircraft gun turret, accommodating the gunner with nearly all the needed equipment for defensive firepower (except for the ammunition storage) mounted either within or onto the spherical shell of the turret structure, mounted on aircraft during World War II. The most common one was manufactured by the Sperry Corporation.
Read more about Ball Turret: Sperry Ball Turret, Erco Ball Turret, Popular Culture
Famous quotes containing the word ball:
“Any balance we achieve between adult and parental identities, between childrens and our own needs, works only for a timebecause, as one father says, Its a new ball game just about every week. So we are always in the process of learning to be parents.”
—Joan Sheingold Ditzion, Dennie, and Palmer Wolf. Ourselves and Our Children, by Boston Womens Health Book Collective, ch. 2 (1978)