nil 3,796,478  Mar. 12, 1974
An arrangement for supporting an optical and/or electronic observation and measuring device in the top wall of a vehicle so that the upper objective end is above the top wall of the vehicle while the observer's end is below the top and inside the vehicle. The device is suspended from the top wall of the vehicle so as to be swingable like a pendulum in all directions. The arrangement includes a lock to hold the device against swinging when the vehicle is in motion and also includes fine leveling devices to adjust the axis of the device to a vertical position when the vehicle is stationary and further includes a device for adjusting the device angularly about its own axis. The device includes an observer's seat which is nontiltably connected to the optical device so as to swing therewith.
8 Claims, 18 Drawing Figures