Goryaev's camera

2-sectional, 4-sectional

Grid side, mm 3.0±0.005

The side of the small square, mm 0.05±0.001

The side of the big square, mm 0.2±0.015

Number of large squares 169

The area of the grid, mm square 6,76

Chamber depth, mm 0,1±0,0040

Chamber volume, sq.mm 0.676