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...
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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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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....
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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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Clear Ground Space [1011.2]
Locate the space so that the eyepiece is centered on the space....
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4.6.4 Clear Floor or Ground Space
Clear floor or ground space shall be positioned so that the eyepiece of the telescope or periscope is centered on the space....
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Telescopes and Periscopes
The eyepiece of each telescope or periscope usable from a seated position must be 43 inches (1,090 millimeters) minimum and 51 inches (1,295 millimeters) maximum above the floor or ground...
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1011.2.1 Size and Location
positioned for forward approach to the viewing scope Provide knee and toe clearance complying with 306 under the viewing scope Locate the space so that the eyepiece...
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1011.2.1 Size and Location
inches (1220 mm) positioned for forward approach to the viewing scope Provide knee and toe clearance complying with 306 under the viewing scope Locate the space so that the eyepiece...