1923 F. A. Talbot 86 Behind this turret-plate is a second and fixed disk or ‘turret-mounting’ of identical diameter, but having only two openings, corresponding to the photographing and focussing apertures respectively.
1966 ‘A. Hall’ ix. 83 I set it [sc. a camera] up on a tripod with a turret-mounting that was rigid enough for the weight.