An instrument consisting of a sighting device mounted on a graduated base, used for plotting the lines of a survey directly from observation.
Classification: Geophysical instruments and appliances, nesoi
NSN 6645-01-309-6455
NSN 6145-01-517-0498
NSN 6650-01-352-4674
NSN 2925-01-112-8782
NSN 6620-00-759-6646
NSN 6135-00-062-5080
NSN 5985-01-140-7188
NSN 6650-01-381-2972
NSN 6620-01-350-5103
NSN 5950-01-654-3672
NSN 6240-00-152-6289
NSN 6150-01-153-8844