Two Quadrants. Two almost identical clinometers to measure the maximum slope of a swinging ship. Both are made of brass, mounted on a wooden back plate with the center of the bow at the top. The bowl on the bow runs from 0 ° to 45 ° to each side. The outer edge of the arc has been struck, every side in the opposite direction. The two hands have polls against the back, which in the teeth seize: so they can only move outside along the arc. Hand, the pits can be released to return the hands to 0 °. Due to a small break from the Palrand, the hands cannot end up in each other's eighth of the arc. T
Two Quadrants. Two almost identical clinometers to measure the maximum slope of a swinging ship. Both are made of brass, mounted on a wooden back plate with the center of the bow at the top. The bowl on the bow runs from 0 ° to 45 ° to each side. The outer edge of the arc has been struck, every side in the opposite direction. The two hands have polls against the back, which in the teeth seize: so they can only move outside along the arc. Hand, the pits can be released to return the hands to 0 °. Due to a small break from the Palrand, the hands cannot end up in each other's eighth of the arc. The teeth of the quadrant A divide the bow in a quarter degrees, which at the quadrant B in Half Degrees. The hands on the quadrant A walk with small rolls over the degree arch. When the ship swapped, every wiser turned out to the side where the ship told and gave up the maximum slope.
Size: 3000px × 2165px
Photo credit: © BTEU/RKMLGE / Alamy / Afripics
License: Licensed
Model Released: No
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