Optical periscope panoramic USSR Soviet Military Artillery Sight Visir. If You have any questions. Europe and Asia 15-30 days. US, Canada 30-60 days. View more great items. The item “Artillery Sight Visir Optical periscope panoramic USSR Soviet Military” is in sale since Wednesday, February 8, 2017. This item is in the category “Collectibles\Militaria\1954-60\Original Period Items”. […]
USSR Optical Flat Parallel Bottom 120mm Flatness 0.00012. Metrology & Measurement standard designed to inspect parallelism and flatness of slip gage blocks, measuring tools & other gauges by interference method. Comes with calibration certificate & manual (in Russian) in original fitted plastic case. Flatness of working surface 0.00012 mm. Local deviations from flatness of the […]
Optical Flat Parallel Bottom 100mm (Flatness 0.00007mm – 0.0000028). Metrology & Measurement standard designed to inspect parallelism and flatness of slip gage blocks, measuring tools & other gauges by interference method. Comes with calibration certificate & manual (in Russian) in original fitted plastic case. Thickness 25 mm (0.98 inch). Flatness of working surface 0.00007 mm […]
PI-100 plate flat glass is used for verifying the interference methods of prairiemod and flatness measurement planes plane-parallel end measures of length, calibres, measuring instruments and tools. Plate PI-100 used in the tool industry, machine tool industry, instrument making, mechanical engineering and other industries. Accuracy class – 2. The diameter of the working surface is […]