WWII Japanese 20x3 Pilot Balloon Theodolite in Wood Case. Nikko 20x3 Pilot Ballon Theodolite, #863.Wood box with matching #863. Two locking latches for door, missing screw for locking top latch. This Japanese theodolite model dates from World War II. It is similar in appearance and function to the British Watts Mark B of the 1930's. The Nikko has lighting, a fixed focus telescope, dual azimuth and elevation readouts, and uses positively engaging tangent screws with a linked engaging mechanism. So both screws are engaged or disengaged with a linked switch. This model has several design and function differences versus the Tamaya instrument of the same period.
Elevation, including the micrometer drum can be viewed from the rear of the instrument as well as the front, there are two azimuth circle windows as well, however the azimuth micrometer can only be viewed from the eyepiece side of the instrument. Main Telescope: 40 mm 20x.
Illumination: 3, incandescent, scales reticle. Gun Site: Yes 1, main telescope.
Nice rare piece in very good, clean condition. Please see photos for more details! This item is in the category "Collectibles\Militaria\WW II (1939-45)\Original Period Items\Japan\Other Japanese WWII Orig Items". The seller is "findingtreasures4u" and is located in this country: US.
This item can be shipped to United States.