Cinema Theodolite 35mm Missile Tracking Camera made by Akeley of New York, dated between 1955 and 1965, measuring 28" x 20" x 14" and weighing roughly 67 pounds, with upper telescope, viewfinder with leather cap, wheel cranks to either side, and dual film spool casing that feeds into central film compartment with needle gauge marked "Exposure Per Sec / 20 Pictures Per Sec." In very good to fine condition, with various missing parts.
The Akeley Cine-Theodolite is a tracking instrument equipped with a 27-inch focal length lens and will operate at frame rates of 4 to 20 per second. Angular data in this instrument is presented in the form of counter readings which are recorded on the film adjacent to the target frame. The angular data recorded by this instrument can be accurately read to .1 mil or 20.25 seconds of arc. These instruments, when equipped with 27 inch focal length lenses, provide a field of view of approximately 29 x 26 mile or an area of 147 ft x 132 ft at a point on the runway closest to the instrument.
