The eyepiece for the telescope or periscope that is usable from a seated position for viewing each point of interest shall be positioned 43 inches (1090 mm) minimum and 51 inches (1295 mm...
Search Results "Eyepiece"
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4.6.3 Eyepiece
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1011.8 Viewing Scopes
This section requires eyepieces on viewing scopes to be 43 inches minimum and 51 inches maximum above the ground....
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Clear Ground Space [1011.2]
Locate the space so that the eyepiece is centered on the space....
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Viewing Scopes [1011.2, 1011.3, and 1011.8]
The clear ground space must be centered on the eyepiece of the viewing scope....
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1011.8 Viewing Scopes
Eyepieces on viewing scopes shall be 43 inches (1090 mm) minimum and 51 inches (1295 mm) maximum above the ground....
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1011.8 Viewing Scopes
Eyepieces on viewing scopes shall be 43 inches (1090 mm) minimum and 51 inches (1295 mm) maximum above the ground....